US Bridges

CO RD 9 over Thobolocco Branch

Fair

Macon County, Alabama · 2.2 Mi. S. SR8/US80 · Structure no. 004298

Built
1952
73 years old
Condition
Fair
inspected March 2024
Type
Culvert
Concrete
Length
25 ft
2 main spans
Daily traffic
268
2016 count
Owner
County
County Highway Agency

About this bridge

CO RD 9 over Thobolocco Branch is a concrete culvert carrying CO RD 9 over Thobolocco Branch in Macon County, Alabama. It was built in 1952, so it is 73 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 268 vehicles a day, roughly 10% of them trucks, projected to reach 350 by 2036. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 19.3 mi (31 km).

Location

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CarriesCO RD 9
CrossesThobolocco Branch
Location2.2 Mi. S. SR8/US80
RouteCounty Highway 9
CountyMacon County
StateAlabama
Coordinates32.35493, -85.88361
Functional classRural Minor 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 inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating47.3 US tons
Inventory rating28.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length25 ft (7.6 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic268 (2016)
Projected traffic350 by 2036
Trucks10%
Lanes on structure2
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.3 mi (31 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$251,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CO RD 9 over Thobolocco Branch built?

It was built in 1952, making it 73 years old in 2025.

What condition is CO RD 9 over Thobolocco 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 March 2024.

How much traffic does CO RD 9 over Thobolocco Branch carry?

About 268 vehicles per day (2016 count), of which roughly 10% are trucks.

How long is CO RD 9 over Thobolocco Branch?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m).

Who owns CO RD 9 over Thobolocco Branch?

It is owned by the County Highway Agency.