US Bridges

FAU 2390 over Pigeon Branch

Fair

Morgan County, Tennessee · W of US27 at Sunbright · Structure no. 65023900001

Built
1984
41 years old
Condition
Fair
inspected January 2025
Type
Slab
Concrete
Length
35 ft
1 main span
Daily traffic
135
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

FAU 2390 over Pigeon Branch is a concrete slab carrying FAU 2390 over Pigeon Branch in Morgan County, Tennessee. It was built in 1984, so it is 41 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 135 vehicles a day, roughly 2% of them trucks, projected to reach 224 by 2041. The structure is 35 ft (10.7 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesFAU 2390
CrossesPigeon Branch
LocationW of US27 at Sunbright
RouteCity Street 2390
Coordinates36.24445, -84.67394
Functional classRural Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating39.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length35 ft (10.7 m)
Longest span31 ft (9.4 m)
Deck width30 ft (9.1 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic135 (2021)
Projected traffic224 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$263,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAU 2390 over Pigeon Branch built?

It was built in 1984, making it 41 years old in 2025.

What condition is FAU 2390 over Pigeon Branch 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 January 2025.

How much traffic does FAU 2390 over Pigeon Branch carry?

About 135 vehicles per day (2021 count), of which roughly 2% are trucks.

How long is FAU 2390 over Pigeon Branch?

The structure is 35 ft (10.7 m) long with a longest span of 31 ft (9.4 m) and a deck 30 ft wide.

Who owns FAU 2390 over Pigeon Branch?

It is owned by the City or Municipal Highway Agency.