US Bridges

Nfa A081 over Coal Creek

Good

Anderson County, Tennessee · Just E of Lake City · Structure no. 010A0810001

Built
2004
21 years old
Condition
Good
inspected June 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
132 ft
3 main spans
Daily traffic
300
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A081 over Coal Creek is a prestressed concrete continuous box beam or girders - multiple carrying Nfa A081 over Coal Creek in Anderson County, Tennessee. It was built in 2004, so it is 21 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 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 300 vehicles a day, roughly 2% of them trucks, projected to reach 480 by 2042. The structure is 132 ft (40.2 m) long and 26 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesNfa A081
CrossesCoal Creek
LocationJust E of Lake City
RouteCounty Highway 81
Coordinates36.21783, -84.13184
Functional classUrban Local

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 protection8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.5 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length132 ft (40.2 m)
Longest span45 ft (13.6 m)
Deck width26 ft (8 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2020)
Projected traffic480 by 2042
Trucks2%
Lanes on structure2
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$236,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A081 over Coal Creek built?

It was built in 2004, making it 21 years old in 2025.

What condition is Nfa A081 over Coal 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 June 2023.

How much traffic does Nfa A081 over Coal Creek carry?

About 300 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A081 over Coal Creek?

The structure is 132 ft (40.2 m) long with a longest span of 45 ft (13.6 m) and a deck 26 ft wide.

Who owns Nfa A081 over Coal Creek?

It is owned by the County Highway Agency.