US Bridges

FAP 34 over Mossy Creek

Fair

Jefferson County, Tennessee · 1.3 M NE of Jefferson Cit · Structure no. 45SR0340009

Built
1949
76 years old, rebuilt 1966
Condition
Fair
inspected October 2023
Type
Culvert
Concrete Continuous
Length
51 ft
4 main spans
Daily traffic
17,540
2021 count
Owner
State
State Highway Agency

About this bridge

FAP 34 over Mossy Creek is a concrete continuous culvert carrying FAP 34 over Mossy Creek in Jefferson County, Tennessee. It was built in 1949 and reconstructed in 1966, 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 17,540 vehicles a day, roughly 9% of them trucks, projected to reach 34,456 by 2041. The structure is 51 ft (15.6 m) long. If it were closed, the detour would be 44.7 mi (72 km).

CarriesFAP 34
CrossesMossy Creek
Location1.3 M NE of Jefferson Cit
RouteU.S. Route 11
Coordinates36.12217, -83.47445
Functional classUrban Other Principal 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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 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 evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans4
Design loadHS 20
Structure length51 ft (15.6 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 traffic17,540 (2021)
Projected traffic34,456 by 2041
Trucks9%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed44.7 mi (72 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$739,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAP 34 over Mossy Creek built?

It was built in 1949, making it 76 years old in 2025. It was reconstructed in 1966.

What condition is FAP 34 over Mossy Creek 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 October 2023.

How much traffic does FAP 34 over Mossy Creek carry?

About 17,540 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is FAP 34 over Mossy Creek?

The structure is 51 ft (15.6 m) long with a longest span of 12 ft (3.7 m).

Who owns FAP 34 over Mossy Creek?

It is owned by the State Highway Agency.