US Bridges

Nfa 1604 over Dry Creek

Fair

Gibson County, Tennessee · 2.6 MI NE JCT SR43&SR54 · Structure no. 27016040003

Built
1987
38 years old
Condition
Fair
inspected July 2023
Type
Culvert
Concrete Continuous
Length
68 ft
3 main spans
Daily traffic
102
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1604 over Dry Creek is a concrete continuous culvert carrying Nfa 1604 over Dry Creek in Gibson County, Tennessee. It was built in 1987, so it is 38 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 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 102 vehicles a day, roughly 4% of them trucks, projected to reach 163 by 2042. The structure is 68 ft (20.7 m) long and 29 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesNfa 1604
CrossesDry Creek
Location2.6 MI NE JCT SR43&SR54
RouteCounty Highway 1604
CountyGibson County
StateTennessee
Coordinates36.099, -88.77497
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being 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 Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length68 ft (20.7 m)
Longest span21 ft (6.4 m)
Deck width29 ft (8.8 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic102 (2021)
Projected traffic163 by 2042
Trucks4%
Lanes on structure2
Traffic directionTwo-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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 1604 over Dry Creek built?

It was built in 1987, making it 38 years old in 2025.

What condition is Nfa 1604 over Dry Creek 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 July 2023.

How much traffic does Nfa 1604 over Dry Creek carry?

About 102 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is Nfa 1604 over Dry Creek?

The structure is 68 ft (20.7 m) long with a longest span of 21 ft (6.4 m) and a deck 29 ft wide.

Who owns Nfa 1604 over Dry Creek?

It is owned by the County Highway Agency.