US Bridges

Nfa B859 over I26

GoodPosted for load

Washington County, Tennessee · .2 M NW of Carter CO LN · Structure no. 90I00260063

Built
1982
43 years old
Condition
Good
inspected September 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
217 ft
2 main spans
Daily traffic
4,100
2020 count
Owner
State
State Highway Agency

About this bridge

Nfa B859 over I26 is a concrete continuous box beam or girders - multiple carrying Nfa B859 over I26 in Washington County, Tennessee. It was built in 1982, so it is 43 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. Its operating status is: posted for load restriction.

It carries about 4,100 vehicles a day, roughly 2% of them trucks, projected to reach 6,560 by 2042. The structure is 217 ft (66.1 m) long and 50 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesNfa B859
CrossesI26
Location.2 M NW of Carter CO LN
RouteCity Street 859
Coordinates36.30008, -82.3335
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.7 US tons
Inventory rating26.8 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length217 ft (66.1 m)
Longest span118 ft (36 m)
Deck width50 ft (15.2 m)
Roadway width47 ft (14.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,100 (2020)
Projected traffic6,560 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Nfa B859 over I26 built?

It was built in 1982, making it 43 years old in 2025.

What condition is Nfa B859 over I26 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 September 2023.

How much traffic does Nfa B859 over I26 carry?

About 4,100 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa B859 over I26?

The structure is 217 ft (66.1 m) long with a longest span of 118 ft (36 m) and a deck 50 ft wide.

Who owns Nfa B859 over I26?

It is owned by the State Highway Agency.