US Bridges

FAU 3900 over SR 137

Fair

Sullivan County, Tennessee · In Kingsport · Structure no. 82SR1370031

Built
1983
42 years old
Condition
Fair
inspected April 2023
Type
Box Beam or Girders - Single or Spread
Steel
Length
347 ft
1 main span
Daily traffic
1,264
2021 count
Owner
State
State Highway Agency

About this bridge

FAU 3900 over SR 137 is a steel box beam or girders - single or spread carrying FAU 3900 over SR 137 in Sullivan County, Tennessee. It was built in 1983, so it is 42 years old, younger than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 1,264 vehicles a day, roughly 3% of them trucks, projected to reach 2,224 by 2041. The structure is 347 ft (105.7 m) long and 36 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesFAU 3900
CrossesSR 137
LocationIn Kingsport
RouteCity Street 3900
CountySullivan County
StateTennessee
Coordinates36.57425, -82.5804
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.2 US tons
Inventory rating48.9 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialSteel
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length347 ft (105.7 m)
Longest span252 ft (76.8 m)
Deck width36 ft (11 m)
Roadway width32 ft (9.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,264 (2021)
Projected traffic2,224 by 2041
Trucks3%
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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was FAU 3900 over SR 137 built?

It was built in 1983, making it 42 years old in 2025.

What condition is FAU 3900 over SR 137 in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2023.

How much traffic does FAU 3900 over SR 137 carry?

About 1,264 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is FAU 3900 over SR 137?

The structure is 347 ft (105.7 m) long with a longest span of 252 ft (76.8 m) and a deck 36 ft wide.

Who owns FAU 3900 over SR 137?

It is owned by the State Highway Agency.