US Bridges

SR 75 over Branch

Good

DeKalb County, Alabama · 0.4 MI N JCT SR 40 · Structure no. 003104

Built
1947
78 years old
Condition
Good
inspected December 2024
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
3,816
2023 count
Owner
State
State Highway Agency

About this bridge

SR 75 over Branch is a concrete culvert carrying SR 75 over Branch in DeKalb County, Alabama. It was built in 1947, so it is 78 years old, older 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 3,816 vehicles a day, roughly 10% of them trucks, projected to reach 5,342 by 2043. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSR 75
CrossesBranch
Location0.4 MI N JCT SR 40
RouteState Highway 75
StateAlabama
Coordinates34.62931, -85.74911
Functional classRural Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81.5 US tons
Inventory rating48.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length21 ft (6.4 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 traffic3,816 (2023)
Projected traffic5,342 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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$393,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 75 over Branch built?

It was built in 1947, making it 78 years old in 2025.

What condition is SR 75 over Branch 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 December 2024.

How much traffic does SR 75 over Branch carry?

About 3,816 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is SR 75 over Branch?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m).

Who owns SR 75 over Branch?

It is owned by the State Highway Agency.