US Bridges

FAU 3959 over CSX Railroad

Good

Washington County, Tennessee · NE of I181 & SR 67 JCT · Structure no. 900B4940001

Built
1988
37 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
158 ft
3 main spans
Daily traffic
2,687
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

FAU 3959 over CSX Railroad is a prestressed concrete continuous stringer/multi-beam or girder carrying FAU 3959 over CSX Railroad in Washington County, Tennessee. It was built in 1988, so it is 37 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 2,687 vehicles a day, roughly 3% of them trucks, projected to reach 4,299 by 2042. The structure is 158 ft (48.2 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFAU 3959
CrossesCSX Railroad
LocationNE of I181 & SR 67 JCT
RouteCity Street 3959
Coordinates36.31303, -82.33517
Functional classUrban Collector

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 inspectionMay 2024
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 alignment8: Equal to present desirable criteria
Operating rating54.7 US tons
Inventory rating32.8 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length158 ft (48.2 m)
Longest span60 ft (18.3 m)
Deck width42 ft (12.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,687 (2021)
Projected traffic4,299 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 FAU 3959 over CSX Railroad built?

It was built in 1988, making it 37 years old in 2025.

What condition is FAU 3959 over CSX Railroad 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 2024.

How much traffic does FAU 3959 over CSX Railroad carry?

About 2,687 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is FAU 3959 over CSX Railroad?

The structure is 158 ft (48.2 m) long with a longest span of 60 ft (18.3 m) and a deck 42 ft wide.

Who owns FAU 3959 over CSX Railroad?

It is owned by the City or Municipal Highway Agency.