US Bridges

FAS 309 over North Mouse Creek

Good

McMinn County, Tennessee · In Niota City Limits · Structure no. 54F00100003

Built
1973
52 years old
Condition
Good
inspected April 2023
Type
Culvert
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
1,738
2021 count
Owner
State
State Highway Agency

About this bridge

FAS 309 over North Mouse Creek is a concrete continuous culvert carrying FAS 309 over North Mouse Creek in McMinn County, Tennessee. It was built in 1973, so it is 52 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 1,738 vehicles a day, roughly 3% of them trucks, projected to reach 2,973 by 2041. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFAS 309
CrossesNorth Mouse Creek
LocationIn Niota City Limits
RouteState Highway 309
Coordinates35.52083, -84.54535
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 15
Structure length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,738 (2021)
Projected traffic2,973 by 2041
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FAS 309 over North Mouse Creek built?

It was built in 1973, making it 52 years old in 2025.

What condition is FAS 309 over North Mouse Creek 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 April 2023.

How much traffic does FAS 309 over North Mouse Creek carry?

About 1,738 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is FAS 309 over North Mouse Creek?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m).

Who owns FAS 309 over North Mouse Creek?

It is owned by the State Highway Agency.