US Bridges

Nfa A426 over Gap Creek

Good

Claiborne County, Tennessee · 2 MI SE of SR63 · Structure no. 130A4260003

Built
2021
4 years old
Condition
Good
inspected May 2023
Type
Culvert
Steel
Length
41 ft
1 main span
Daily traffic
20
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A426 over Gap Creek is a steel culvert carrying Nfa A426 over Gap Creek in Claiborne County, Tennessee. It was built in 2021, so it is 4 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 20 vehicles a day, roughly 5% of them trucks, projected to reach 32 by 2041. The structure is 41 ft (12.4 m) long and 26 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesNfa A426
CrossesGap Creek
Location2 MI SE of SR63
RouteCounty Highway 426
CountyClaiborne County
StateTennessee
Coordinates36.51472, -83.68611
Functional classRural Local

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 protection9 ExcellentNo problems noted.
Culvert9 ExcellentNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length41 ft (12.4 m)
Longest span41 ft (12.4 m)
Deck width26 ft (7.8 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2020)
Projected traffic32 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A426 over Gap Creek built?

It was built in 2021, making it 4 years old in 2025.

What condition is Nfa A426 over Gap 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 May 2023.

How much traffic does Nfa A426 over Gap Creek carry?

About 20 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Nfa A426 over Gap Creek?

The structure is 41 ft (12.4 m) long with a longest span of 41 ft (12.4 m) and a deck 26 ft wide.

Who owns Nfa A426 over Gap Creek?

It is owned by the County Highway Agency.