US Bridges

Nfa 1746 over Crooked Creek

Good

Carroll County, Tennessee · 0.6 MI NE JCT SR77&SR219 · Structure no. 090A3420001

Built
1986
39 years old
Condition
Good
inspected July 2023
Type
Culvert
Concrete Continuous
Length
50 ft
3 main spans
Daily traffic
186
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1746 over Crooked Creek is a concrete continuous culvert carrying Nfa 1746 over Crooked Creek in Carroll County, Tennessee. It was built in 1986, so it is 39 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 186 vehicles a day, roughly 3% of them trucks, projected to reach 320 by 2039. The structure is 50 ft (15.2 m) long and 24 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesNfa 1746
CrossesCrooked Creek
Location0.6 MI NE JCT SR77&SR219
RouteCounty Highway 1746
Coordinates36.08642, -88.33622
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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2023
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 adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating82.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length50 ft (15.2 m)
Longest span15 ft (4.7 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic186 (2021)
Projected traffic320 by 2039
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 1746 over Crooked Creek built?

It was built in 1986, making it 39 years old in 2025.

What condition is Nfa 1746 over Crooked Creek 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 July 2023.

How much traffic does Nfa 1746 over Crooked Creek carry?

About 186 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1746 over Crooked Creek?

The structure is 50 ft (15.2 m) long with a longest span of 15 ft (4.7 m) and a deck 24 ft wide.

Who owns Nfa 1746 over Crooked Creek?

It is owned by the County Highway Agency.