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Nearby Bridges in NBI 2021: 3


FM 1660 over SAN GABRIEL RIVER (Route: 1660)
Num:142460156601006x
Open: no restriction [A]
Built: 1987, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.1 Miles (0.1 Kilometers)

Bridge Type
Main Span(s): Prestressed concrete [5] Stringer/Multi-beam or girder [02]
Approach Span(s): Other [00]
Deck: Concrete Precast Panels [2] with Wearing Surface: Bituminous [6]
Bridge Dimensions
Length: 153.9 m = 504.9 ft
Main Spans: 7 at 22.9 m = 75.1 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 8.5 m = 27.9 ft (2 Lanes) and Out-To-Out: 9.1 m = 29.9 ft for a 8.5 m = 27.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Williamson County [491], Texas [48]
Owned by State Highway Agency [01], DOT District: 14
0.30 MI S OF SH 29
Condition
Deck: Good [7]
Superstructure: Good [7]
Substructure: Satisfactory [6]
Loading
Design: MS 18 / HS 20 [5]
Operating: 44.4 metric ton = 48.8 tons (Unknown [A])
Inventory: 32.7 metric ton = 36.0 tons (Unknown [A])
Appraisal
Structural: Equal to present minimum criteria [6]
Deck Geometry: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Equal to present minimum criteria [6] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: July 1999 [799] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 1.8 km = 1.1 mi
Traffic
ADT: 1742 (2019) and Trucks: 5%
Future ADT: 2160 (In 2033 )
CR 126 over MILEHAM BR (Route: 126)
Num:142460AA0487001x
Posted for load [P]
Built: 1922, Reconstructed: N/A [0000]
Historic: Bridge is possibly eligible for the NRHP. [3]

Google Streetview (If Available)

Rough Distance: 0.2 Miles (0.3 Kilometers)

Bridge Type
Main Span(s): Steel [3] Stringer/Multi-beam or girder [02]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface:
Bridge Dimensions
Length: 26.5 m = 86.9 ft
Main Spans: 4 at 7.6 m = 24.9 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 5.2 m = 17.1 ft (1 Lanes) and Out-To-Out: 5.5 m = 18.0 ft for a 4.3 m = 14.1 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Williamson County [491], Texas [48]
Owned by County Highway Agency [02], DOT District: 14
0.10 MI E FM 1660
Condition
Deck: Fair [5]
Superstructure: Poor [4]
Substructure: Satisfactory [6]
Loading
Design:
Operating: 27.2 metric ton = 29.9 tons (Allowable Stress(AS) [2])
Inventory: 18.1 metric ton = 19.9 tons (Allowable Stress(AS) [2])
Appraisal
Structural: Meets minimum tolerable limits to be left in place as is [4]
Deck Geometry: Basically intolerable requiring high priority of corrrective action [3]
Road Alignment: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Waterway: Meets minimum tolerable limits to be left in place as is [4] and Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Inspections
Date: September 1999 [999] and Frequency: 24
Future Work
Work Needed: Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Bridge Detour: 0.2 km = 0.1 mi
Traffic
ADT: 100 (2010) and Trucks: 0%
Future ADT: 200 (In 2030 )
SH 29 over MILEHAM BRANCH (Route: 29)
Num:142460033702033x
Open: no restriction [A]
Built: 2004, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.2 Miles (0.4 Kilometers)

Bridge Type
Main Span(s): Prestressed concrete [5] Other [00]
Approach Span(s): Other [00]
Deck: Concrete Precast Panels [2] with Wearing Surface:
Bridge Dimensions
Length: 36.6 m = 120.1 ft
Main Spans: 2 at 18.3 m = 60.0 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 17.6 m = 57.7 ft (3 Lanes) and Out-To-Out: 18.3 m = 60.0 ft for a 17.7 m = 58.1 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Williamson County [491], Texas [48]
Owned by State Highway Agency [01], DOT District: 14
0.10 MI E OF FM 1660
Condition
Deck: Good [7]
Superstructure: Good [7]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 44.4 metric ton = 48.8 tons ()
Inventory: 32.7 metric ton = 36.0 tons ()
Appraisal
Structural: Better than present minimum criteria [7]
Deck Geometry: Superior to present desirable criteria [9]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: July 1999 [799] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 2.4 km = 1.5 mi
Traffic
ADT: 3433 (2019) and Trucks: 15%
Future ADT: 4620 (In 2033 )

Special Bridge Conditions Legend: R - Former location of relocated bridge. ! - At risk for demolition or destruction. X - Confirmed demolished or collapsed. S  - Dismantled and/or in storage. L -  Severe loss of historic integrity due to alteration.

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