US Bridges

Nfa A138 over Buffalo Creek

Fair

Anderson County, Tennessee · Just S of SR61-I75 Exit · Structure no. 010A1380001

Built
1988
37 years old
Condition
Fair
inspected June 2023
Type
Culvert
Concrete Continuous
Length
49 ft
3 main spans
Daily traffic
2,380
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A138 over Buffalo Creek is a concrete continuous culvert carrying Nfa A138 over Buffalo Creek in Anderson County, Tennessee. It was built in 1988, so it is 37 years old, younger 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 2,380 vehicles a day, roughly 2% of them trucks, projected to reach 3,808 by 2041. The structure is 49 ft (14.8 m) long. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesNfa A138
CrossesBuffalo Creek
LocationJust S of SR61-I75 Exit
RouteCounty Highway 138
CountyAnderson County
StateTennessee
Coordinates36.1604, -84.08002
Functional classRural Local

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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 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 alignment6: Equal to present minimum criteria
Operating rating98.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length49 ft (14.8 m)
Longest span15 ft (4.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,380 (2020)
Projected traffic3,808 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Nfa A138 over Buffalo Creek built?

It was built in 1988, making it 37 years old in 2025.

What condition is Nfa A138 over Buffalo 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 Nfa A138 over Buffalo Creek carry?

About 2,380 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A138 over Buffalo Creek?

The structure is 49 ft (14.8 m) long with a longest span of 15 ft (4.6 m).

Who owns Nfa A138 over Buffalo Creek?

It is owned by the County Highway Agency.