US Bridges

CO Rt 434 over Big Shoal Creek

Good

Lawrence County, Alabama · 0.8 MI W JCT CO Rt 87 · Structure no. 003805

Built
1992
33 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
165 ft
3 main spans
Daily traffic
664
1992 count
Owner
County
County Highway Agency

About this bridge

CO Rt 434 over Big Shoal Creek is a prestressed concrete stringer/multi-beam or girder carrying CO Rt 434 over Big Shoal Creek in Lawrence County, Alabama. It was built in 1992, so it is 33 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 664 vehicles a day, roughly 13% of them trucks, projected to reach 350 by 2034. The structure is 165 ft (50.3 m) long and 31 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCO Rt 434
CrossesBig Shoal Creek
Location0.8 MI W JCT CO Rt 87
RouteCounty Highway 434
StateAlabama
Coordinates34.67167, -87.16
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84.2 US tons
Inventory rating37.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length165 ft (50.3 m)
Longest span55 ft (16.8 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic664 (1992)
Projected traffic350 by 2034
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.4 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CO Rt 434 over Big Shoal Creek built?

It was built in 1992, making it 33 years old in 2025.

What condition is CO Rt 434 over Big Shoal 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 February 2024.

How much traffic does CO Rt 434 over Big Shoal Creek carry?

About 664 vehicles per day (1992 count), of which roughly 13% are trucks.

How long is CO Rt 434 over Big Shoal Creek?

The structure is 165 ft (50.3 m) long with a longest span of 55 ft (16.8 m) and a deck 31 ft wide.

Who owns CO Rt 434 over Big Shoal Creek?

It is owned by the County Highway Agency.