US Bridges

Nfa 2638 over Dodson Creek

FairPosted for load

Hawkins County, Tennessee · .27 M N of SR70 · Structure no. 37SR0700005

Built
1978
47 years old
Condition
Fair
inspected June 2023
Type
Channel Beam
Concrete
Length
28 ft
1 main span
Daily traffic
196
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 2638 over Dodson Creek is a concrete channel beam carrying Nfa 2638 over Dodson Creek in Hawkins County, Tennessee. It was built in 1978, so it is 47 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. Its operating status is: posted for load restriction.

It carries about 196 vehicles a day, roughly 3% of them trucks, projected to reach 314 by 2042. The structure is 28 ft (8.5 m) long and 25 ft wide. If it were closed, the detour would be 42.9 mi (69 km).

CarriesNfa 2638
CrossesDodson Creek
Location.27 M N of SR70
RouteCounty Highway 2638
Coordinates36.34706, -82.9515
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating46.7 US tons
Inventory rating27.9 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadH 15
Structure length28 ft (8.5 m)
Longest span25 ft (7.6 m)
Deck width25 ft (7.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic196 (2021)
Projected traffic314 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed42.9 mi (69 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$466,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 2638 over Dodson Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is Nfa 2638 over Dodson 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 2638 over Dodson Creek carry?

About 196 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 2638 over Dodson Creek?

The structure is 28 ft (8.5 m) long with a longest span of 25 ft (7.6 m) and a deck 25 ft wide.

Who owns Nfa 2638 over Dodson Creek?

It is owned by the County Highway Agency.