US Bridges

FAU 4521 over I26

Good

Washington County, Tennessee · Just SE of I26-SR 34 JCT · Structure no. 90I00260035

Built
1975
50 years old
Condition
Good
inspected September 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
233 ft
2 main spans
Daily traffic
7,421
2021 count
Owner
State
State Highway Agency

About this bridge

FAU 4521 over I26 is a concrete continuous box beam or girders - multiple carrying FAU 4521 over I26 in Washington County, Tennessee. It was built in 1975, so it is 50 years old, older 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 7,421 vehicles a day, roughly 4% of them trucks, projected to reach 10,917 by 2042. The structure is 233 ft (71 m) long and 59 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesFAU 4521
CrossesI26
LocationJust SE of I26-SR 34 JCT
RouteCity Street 4521
Coordinates36.34638, -82.37492
Functional classUrban Minor Arterial

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 statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating68.9 US tons
Inventory rating53.2 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length233 ft (71 m)
Longest span106 ft (32.3 m)
Deck width59 ft (18.1 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,421 (2021)
Projected traffic10,917 by 2042
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed6.2 mi (10 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$716,000 (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was FAU 4521 over I26 built?

It was built in 1975, making it 50 years old in 2025.

What condition is FAU 4521 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 FAU 4521 over I26 carry?

About 7,421 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is FAU 4521 over I26?

The structure is 233 ft (71 m) long with a longest span of 106 ft (32.3 m) and a deck 59 ft wide.

Who owns FAU 4521 over I26?

It is owned by the State Highway Agency.