US Bridges

Nfa 2523 (sa 3018) over Dulaney Branch

FairPosted for load

Greene County, Tennessee · 3.2 M NW of US321-SR349 J · Structure no. 30025230003

Built
1930
95 years old
Condition
Fair
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
22 ft
1 main span
Daily traffic
260
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 2523 (sa 3018) over Dulaney Branch is a steel stringer/multi-beam or girder carrying Nfa 2523 (sa 3018) over Dulaney Branch in Greene County, Tennessee. It was built in 1930, so it is 95 years old, older 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. Its operating status is: posted for load restriction.

It carries about 260 vehicles a day, roughly 3% of them trucks, projected to reach 416 by 2042. The structure is 22 ft (6.8 m) long and 25 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesNfa 2523 (sa 3018)
CrossesDulaney Branch
Location3.2 M NW of US321-SR349 J
RouteCounty Highway 2523
Coordinates36.15218, -82.92979
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating25.8 US tons
Inventory rating17.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length22 ft (6.8 m)
Longest span21 ft (6.4 m)
Deck width25 ft (7.6 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic260 (2021)
Projected traffic416 by 2042
Trucks3%
Lanes on structure2
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$175,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 2523 (sa 3018) over Dulaney Branch built?

It was built in 1930, making it 95 years old in 2025.

What condition is Nfa 2523 (sa 3018) over Dulaney 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 February 2025.

How much traffic does Nfa 2523 (sa 3018) over Dulaney Branch carry?

About 260 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 2523 (sa 3018) over Dulaney Branch?

The structure is 22 ft (6.8 m) long with a longest span of 21 ft (6.4 m) and a deck 25 ft wide.

Who owns Nfa 2523 (sa 3018) over Dulaney Branch?

It is owned by the County Highway Agency.