US Bridges

CO RD 51 over Unnamed Branch

Fair

Macon County, Alabama · 0.4 Mi. No. US80W/SR8 · Structure no. 009384

Built
1967
58 years old
Condition
Fair
inspected February 2025
Type
Culvert
Concrete
Length
52 ft
4 main spans
Daily traffic
600
2015 count
Owner
County
County Highway Agency

About this bridge

CO RD 51 over Unnamed Branch is a concrete culvert carrying CO RD 51 over Unnamed Branch in Macon County, Alabama. It was built in 1967, so it is 58 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 5 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 600 vehicles a day, roughly 20% of them trucks, projected to reach 800 by 2035. The structure is 52 ft (15.8 m) long and 28 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesCO RD 51
CrossesUnnamed Branch
Location0.4 Mi. No. US80W/SR8
RouteCounty Highway 51
StateAlabama
Coordinates32.40819, -85.73408
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.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98 US tons
Inventory rating98 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadH 15
Structure length52 ft (15.8 m)
Longest span12 ft (3.7 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic600 (2015)
Projected traffic800 by 2035
Trucks20%
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$1.6 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CO RD 51 over Unnamed Branch built?

It was built in 1967, making it 58 years old in 2025.

What condition is CO RD 51 over Unnamed 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 February 2025.

How much traffic does CO RD 51 over Unnamed Branch carry?

About 600 vehicles per day (2015 count), of which roughly 20% are trucks.

How long is CO RD 51 over Unnamed Branch?

The structure is 52 ft (15.8 m) long with a longest span of 12 ft (3.7 m) and a deck 28 ft wide.

Who owns CO RD 51 over Unnamed Branch?

It is owned by the County Highway Agency.