US Bridges

Nfa 1577 over Branch

Good

Crockett County, Tennessee · 5.6 MI SW JCT SR189&SR20 · Structure no. 17015770001

Built
2003
22 years old
Condition
Good
inspected April 2024
Type
Culvert
Concrete
Length
23 ft
1 main span
Daily traffic
231
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1577 over Branch is a concrete culvert carrying Nfa 1577 over Branch in Crockett County, Tennessee. It was built in 2003, so it is 22 years old, younger than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 231 vehicles a day, roughly 3% of them trucks, projected to reach 370 by 2042. The structure is 23 ft (6.9 m) long and 29 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesNfa 1577
CrossesBranch
Location5.6 MI SW JCT SR189&SR20
RouteCounty Highway 1577
Coordinates35.82572, -89.30053
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
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 rating98.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length23 ft (6.9 m)
Longest span21 ft (6.3 m)
Deck width29 ft (8.9 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic231 (2021)
Projected traffic370 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 1577 over Branch built?

It was built in 2003, making it 22 years old in 2025.

What condition is Nfa 1577 over Branch in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2024.

How much traffic does Nfa 1577 over Branch carry?

About 231 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1577 over Branch?

The structure is 23 ft (6.9 m) long with a longest span of 21 ft (6.3 m) and a deck 29 ft wide.

Who owns Nfa 1577 over Branch?

It is owned by the County Highway Agency.