US Bridges

Nfa 1505 (sa 4801) over Running Reelfoot Bayou

Fair

Lake County, Tennessee · 0.5 MI W of Obion · Structure no. 48015050001

Built
1985
40 years old
Condition
Fair
inspected May 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
198 ft
3 main spans
Daily traffic
62
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1505 (sa 4801) over Running Reelfoot Bayou is a prestressed concrete continuous box beam or girders - single or spread carrying Nfa 1505 (sa 4801) over Running Reelfoot Bayou in Lake County, Tennessee. It was built in 1985, so it is 40 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 6 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 62 vehicles a day, roughly 2% of them trucks, projected to reach 80 by 2040. The structure is 198 ft (60.4 m) long and 28 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesNfa 1505 (sa 4801)
CrossesRunning Reelfoot Bayou
Location0.5 MI W of Obion
RouteCounty Highway 1505
Coordinates36.21558, -89.49822
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.4 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length198 ft (60.4 m)
Longest span61 ft (18.7 m)
Deck width28 ft (8.6 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic62 (2021)
Projected traffic80 by 2040
Trucks2%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 1505 (sa 4801) over Running Reelfoot Bayou built?

It was built in 1985, making it 40 years old in 2025.

What condition is Nfa 1505 (sa 4801) over Running Reelfoot Bayou 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 May 2024.

How much traffic does Nfa 1505 (sa 4801) over Running Reelfoot Bayou carry?

About 62 vehicles per day (2021 count), of which roughly 2% are trucks.

How long is Nfa 1505 (sa 4801) over Running Reelfoot Bayou?

The structure is 198 ft (60.4 m) long with a longest span of 61 ft (18.7 m) and a deck 28 ft wide.

Who owns Nfa 1505 (sa 4801) over Running Reelfoot Bayou?

It is owned by the County Highway Agency.