US Bridges

Nfa 2497 over Blair Creek

Good

Claiborne County, Tennessee · 4.5 M NW of Tazewell · Structure no. 13024970001

Built
1998
27 years old
Condition
Good
inspected June 2023
Type
Culvert
Concrete Continuous
Length
32 ft
3 main spans
Daily traffic
1,022
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 2497 over Blair Creek is a concrete continuous culvert carrying Nfa 2497 over Blair Creek in Claiborne County, Tennessee. It was built in 1998, so it is 27 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 1,022 vehicles a day, roughly 3% of them trucks, projected to reach 1,626 by 2041. The structure is 32 ft (9.9 m) long and 36 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesNfa 2497
CrossesBlair Creek
Location4.5 M NW of Tazewell
RouteCounty Highway 2497
Coordinates36.51007, -83.60588
Functional classRural Minor Collector

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.
Culvert7 GoodSome minor problems.
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
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length32 ft (9.9 m)
Longest span11 ft (3.5 m)
Deck width36 ft (10.9 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,022 (2021)
Projected traffic1,626 by 2041
Trucks3%
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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 2497 over Blair Creek built?

It was built in 1998, making it 27 years old in 2025.

What condition is Nfa 2497 over Blair 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 2497 over Blair Creek carry?

About 1,022 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 2497 over Blair Creek?

The structure is 32 ft (9.9 m) long with a longest span of 11 ft (3.5 m) and a deck 36 ft wide.

Who owns Nfa 2497 over Blair Creek?

It is owned by the County Highway Agency.