US Bridges

FAP 50 over Clark Branch

Good

Lincoln County, Tennessee · 6 M S Marshall CO Line · Structure no. 52SR0500007

Built
1938
87 years old
Condition
Good
inspected October 2023
Type
Tee Beam
Concrete
Length
26 ft
1 main span
Daily traffic
3,134
2021 count
Owner
State
State Highway Agency

About this bridge

FAP 50 over Clark Branch is a concrete tee beam carrying FAP 50 over Clark Branch in Lincoln County, Tennessee. It was built in 1938, so it is 87 years old, older than the Tennessee average of 47.4 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 3,134 vehicles a day, roughly 6% of them trucks, projected to reach 5,014 by 2042. The structure is 26 ft (8 m) long and 27 ft wide. If it were closed, the detour would be 31.7 mi (51 km).

Location

Open in Google Maps
CarriesFAP 50
CrossesClark Branch
Location6 M S Marshall CO Line
RouteU.S. Route 431
CountyLincoln County
StateTennessee
Coordinates35.23715, -86.61384
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.6 US tons
Inventory rating31.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length26 ft (8 m)
Longest span25 ft (7.6 m)
Deck width27 ft (8.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,134 (2021)
Projected traffic5,014 by 2042
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.7 mi (51 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$164,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAP 50 over Clark Branch built?

It was built in 1938, making it 87 years old in 2025.

What condition is FAP 50 over Clark 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 October 2023.

How much traffic does FAP 50 over Clark Branch carry?

About 3,134 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is FAP 50 over Clark Branch?

The structure is 26 ft (8 m) long with a longest span of 25 ft (7.6 m) and a deck 27 ft wide.

Who owns FAP 50 over Clark Branch?

It is owned by the State Highway Agency.