US Bridges

Nfa 1495 (sa 2304) over Overflow

Fair

Dyer County, Tennessee · 1 MI W of SR3 · Structure no. 23014950001

Built
1970
55 years old
Condition
Fair
inspected October 2023
Type
Tee Beam
Concrete
Length
513 ft
18 main spans
Daily traffic
1,053
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1495 (sa 2304) over Overflow is a concrete tee beam carrying Nfa 1495 (sa 2304) over Overflow 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.

It carries about 1,053 vehicles a day, roughly 3% of them trucks, projected to reach 1,341 by 2042. The structure is 513 ft (156.4 m) long and 30 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesNfa 1495 (sa 2304)
CrossesOverflow
Location1 MI W of SR3
RouteCounty Highway 1495
Coordinates35.97294, -89.41164
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans18
Design loadH 15
Structure length513 ft (156.4 m)
Longest span29 ft (8.8 m)
Deck width30 ft (9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,053 (2021)
Projected traffic1,341 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 1495 (sa 2304) over Overflow built?

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

What condition is Nfa 1495 (sa 2304) over Overflow 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 October 2023.

How much traffic does Nfa 1495 (sa 2304) over Overflow carry?

About 1,053 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1495 (sa 2304) over Overflow?

The structure is 513 ft (156.4 m) long with a longest span of 29 ft (8.8 m) and a deck 30 ft wide.

Who owns Nfa 1495 (sa 2304) over Overflow?

It is owned by the County Highway Agency.