US Bridges

FAP 10 over Sullivan Branch

Fair

Macon County, Tennessee · 3.77 Mi. S. of Lafayette · Structure no. 56SR0100007

Built
1949
76 years old
Condition
Fair
inspected August 2023
Type
Tee Beam
Concrete
Length
57 ft
2 main spans
Daily traffic
4,889
2021 count
Owner
State
State Highway Agency

About this bridge

FAP 10 over Sullivan Branch is a concrete tee beam carrying FAP 10 over Sullivan Branch in Macon County, Tennessee. It was built in 1949, so it is 76 years old, older than the Tennessee average of 47.4 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 4,889 vehicles a day, roughly 6% of them trucks, projected to reach 6,827 by 2041. The structure is 57 ft (17.4 m) long and 32 ft wide. If it were closed, the detour would be 34.8 mi (56 km).

CarriesFAP 10
CrossesSullivan Branch
Location3.77 Mi. S. of Lafayette
RouteState Highway 10
Coordinates36.4706, -86.0436
Functional classRural Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating58.5 US tons
Inventory rating34.6 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length57 ft (17.4 m)
Longest span29 ft (8.8 m)
Deck width32 ft (9.8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,889 (2021)
Projected traffic6,827 by 2041
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed34.8 mi (56 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$224,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAP 10 over Sullivan Branch built?

It was built in 1949, making it 76 years old in 2025.

What condition is FAP 10 over Sullivan 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 August 2023.

How much traffic does FAP 10 over Sullivan Branch carry?

About 4,889 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is FAP 10 over Sullivan Branch?

The structure is 57 ft (17.4 m) long with a longest span of 29 ft (8.8 m) and a deck 32 ft wide.

Who owns FAP 10 over Sullivan Branch?

It is owned by the State Highway Agency.