US Bridges

FAP 81 over Muddy Creek

Good

Washington County, Tennessee · 1.4 M SE JCT SR81&SR75 · Structure no. 90SR0810021

Built
2011
14 years old
Condition
Good
inspected October 2023
Type
Culvert
Concrete Continuous
Length
48 ft
3 main spans
Daily traffic
2,626
2021 count
Owner
State
State Highway Agency

About this bridge

FAP 81 over Muddy Creek is a concrete continuous culvert carrying FAP 81 over Muddy Creek in Washington County, Tennessee. It was built in 2011, so it is 14 years old, younger 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,626 vehicles a day, roughly 6% of them trucks, projected to reach 4,203 by 2042. The structure is 48 ft (14.6 m) long and 44 ft wide. If it were closed, the detour would be 54.7 mi (88 km).

CarriesFAP 81
CrossesMuddy Creek
Location1.4 M SE JCT SR81&SR75
RouteState Highway 81
Coordinates36.31437, -82.54338
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
Channel and channel protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length48 ft (14.6 m)
Longest span16 ft (4.9 m)
Deck width44 ft (13.4 m)
Roadway width42 ft (12.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,626 (2021)
Projected traffic4,203 by 2042
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed54.7 mi (88 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 FAP 81 over Muddy Creek built?

It was built in 2011, making it 14 years old in 2025.

What condition is FAP 81 over Muddy 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 October 2023.

How much traffic does FAP 81 over Muddy Creek carry?

About 2,626 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is FAP 81 over Muddy Creek?

The structure is 48 ft (14.6 m) long with a longest span of 16 ft (4.9 m) and a deck 44 ft wide.

Who owns FAP 81 over Muddy Creek?

It is owned by the State Highway Agency.