US Bridges

FAS 361 over Dry Creek

FairPosted for load

Carter County, Tennessee · .9 M S of Unico · Structure no. 10S24950001

Built
1940
85 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
45 ft
1 main span
Daily traffic
1,833
2021 count
Owner
State
State Highway Agency

About this bridge

FAS 361 over Dry Creek is a steel stringer/multi-beam or girder carrying FAS 361 over Dry Creek in Carter County, Tennessee. It was built in 1940, so it is 85 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 1,833 vehicles a day, roughly 3% of them trucks, projected to reach 2,931 by 2042. The structure is 45 ft (13.8 m) long and 24 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesFAS 361
CrossesDry Creek
Location.9 M S of Unico
RouteState Highway 361
Coordinates36.26603, -82.28648
Functional classUrban 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating12.1 US tons
Inventory rating9.3 US tons

Structure

MaterialSteel
DeckSteel plate
Main spans1
Design loadH 15
Structure length45 ft (13.8 m)
Longest span43 ft (13.1 m)
Deck width24 ft (7.2 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,833 (2021)
Projected traffic2,931 by 2042
Trucks3%
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

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$244,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAS 361 over Dry Creek built?

It was built in 1940, making it 85 years old in 2025.

What condition is FAS 361 over Dry 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 June 2023.

How much traffic does FAS 361 over Dry Creek carry?

About 1,833 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is FAS 361 over Dry Creek?

The structure is 45 ft (13.8 m) long with a longest span of 43 ft (13.1 m) and a deck 24 ft wide.

Who owns FAS 361 over Dry Creek?

It is owned by the State Highway Agency.