US Bridges

FAS 27 CO RD 137 over Trib. to Allen Branch

Fair

DeKalb County, Alabama · 5.0 MI N JCT US 11 · Structure no. 004961

Built
1954
71 years old
Condition
Fair
inspected April 2023
Type
Culvert
Concrete
Length
36 ft
3 main spans
Daily traffic
4,689
2023 count
Owner
County
County Highway Agency

About this bridge

FAS 27 CO RD 137 over Trib. to Allen Branch is a concrete culvert carrying FAS 27 CO RD 137 over Trib. to Allen Branch in DeKalb County, Alabama. It was built in 1954, so it is 71 years old, older than the Alabama average of 51.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 4,689 vehicles a day, roughly 7% of them trucks, projected to reach 6,968 by 2043. The structure is 36 ft (11.1 m) long. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesFAS 27 CO RD 137
CrossesTrib. to Allen Branch
Location5.0 MI N JCT US 11
RouteCounty Highway 137
CountyDeKalb County
StateAlabama
Coordinates34.5223, -85.65105
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating96.9 US tons
Inventory rating58.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 15
Structure length36 ft (11.1 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,689 (2023)
Projected traffic6,968 by 2043
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedNone recorded
Estimated improvement cost$497,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAS 27 CO RD 137 over Trib. to Allen Branch built?

It was built in 1954, making it 71 years old in 2025.

What condition is FAS 27 CO RD 137 over Trib. to Allen Branch in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2023.

How much traffic does FAS 27 CO RD 137 over Trib. to Allen Branch carry?

About 4,689 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is FAS 27 CO RD 137 over Trib. to Allen Branch?

The structure is 36 ft (11.1 m) long with a longest span of 10 ft (3 m).

Who owns FAS 27 CO RD 137 over Trib. to Allen Branch?

It is owned by the County Highway Agency.