US Bridges

US231;US431;SR1 over Pinhook Creek

Good

Madison County, Alabama · 3 MI N JCT US231*US431 · Structure no. 017136

Built
2004
21 years old
Condition
Good
inspected January 2024
Type
Tee Beam
Prestressed Concrete
Length
177 ft
2 main spans
Daily traffic
9,141
2022 count
Owner
State
State Highway Agency

About this bridge

US231;US431;SR1 over Pinhook Creek is a prestressed concrete tee beam carrying US231;US431;SR1 over Pinhook Creek in Madison County, Alabama. It was built in 2004, so it is 21 years old, younger than the Alabama average of 51.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 9,141 vehicles a day, roughly 3% of them trucks, projected to reach 12,797 by 2042. The structure is 177 ft (54.1 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesUS231;US431;SR1
CrossesPinhook Creek
Location3 MI N JCT US231*US431
RouteU.S. Route 231
CountyMadison County
StateAlabama
Coordinates34.76117, -86.59059
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.4 US tons
Inventory rating27.2 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2 (+1 approach)
Design loadHS 20
Structure length177 ft (54.1 m)
Longest span76 ft (23.3 m)
Deck width44 ft (13.3 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deck99 ft (30.2 m)

Traffic and service

Average daily traffic9,141 (2022)
Projected traffic12,797 by 2042
Trucks3%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$2.1 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US231;US431;SR1 over Pinhook Creek built?

It was built in 2004, making it 21 years old in 2025.

What condition is US231;US431;SR1 over Pinhook Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2024.

How much traffic does US231;US431;SR1 over Pinhook Creek carry?

About 9,141 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is US231;US431;SR1 over Pinhook Creek?

The structure is 177 ft (54.1 m) long with a longest span of 76 ft (23.3 m) and a deck 44 ft wide.

Who owns US231;US431;SR1 over Pinhook Creek?

It is owned by the State Highway Agency.