US Bridges

Nfa 1499 (sa 2321) over Branch

FairPosted for load

Dyer County, Tennessee · 4 MI N of SR104 · Structure no. 23014990001

Built
1970
55 years old
Condition
Fair
inspected November 2023
Type
Channel Beam
Concrete
Length
57 ft
3 main spans
Daily traffic
339
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1499 (sa 2321) over Branch is a concrete channel beam carrying Nfa 1499 (sa 2321) over Branch in Dyer County, Tennessee. It was built in 1970, so it is 55 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 339 vehicles a day, roughly 3% of them trucks, projected to reach 542 by 2042. The structure is 57 ft (17.4 m) long and 22 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesNfa 1499 (sa 2321)
CrossesBranch
Location4 MI N of SR104
RouteCounty Highway 1499
Coordinates36.08474, -89.25495
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.7 US tons
Inventory rating27.9 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadH 15
Structure length57 ft (17.4 m)
Longest span19 ft (5.8 m)
Deck width22 ft (6.6 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic339 (2021)
Projected traffic542 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$140,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 1499 (sa 2321) over Branch built?

It was built in 1970, making it 55 years old in 2025.

What condition is Nfa 1499 (sa 2321) over 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 November 2023.

How much traffic does Nfa 1499 (sa 2321) over Branch carry?

About 339 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1499 (sa 2321) over Branch?

The structure is 57 ft (17.4 m) long with a longest span of 19 ft (5.8 m) and a deck 22 ft wide.

Who owns Nfa 1499 (sa 2321) over Branch?

It is owned by the County Highway Agency.