US Bridges

Nfa A229 over Buffalo Creek

Fair

Carter County, Tennessee · .3 MI S JCT SR67 & SR359 · Structure no. 100A2290001

Built
1990
35 years old
Condition
Fair
inspected July 2023
Type
Channel Beam
Concrete
Length
34 ft
1 main span
Daily traffic
310
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A229 over Buffalo Creek is a concrete channel beam carrying Nfa A229 over Buffalo Creek in Carter County, Tennessee. It was built in 1990, so it is 35 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 5 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 310 vehicles a day, roughly 2% of them trucks, projected to reach 496 by 2041. The structure is 34 ft (10.5 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesNfa A229
CrossesBuffalo Creek
Location.3 MI S JCT SR67 & SR359
RouteCounty Highway 229
CountyCarter County
StateTennessee
Coordinates36.28503, -82.30853
Functional classUrban 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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadH 15
Structure length34 ft (10.5 m)
Longest span32 ft (9.8 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic310 (2020)
Projected traffic496 by 2041
Trucks2%
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

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$110,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A229 over Buffalo Creek built?

It was built in 1990, making it 35 years old in 2025.

What condition is Nfa A229 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 July 2023.

How much traffic does Nfa A229 over Buffalo Creek carry?

About 310 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A229 over Buffalo Creek?

The structure is 34 ft (10.5 m) long with a longest span of 32 ft (9.8 m) and a deck 24 ft wide.

Who owns Nfa A229 over Buffalo Creek?

It is owned by the County Highway Agency.