US Bridges

Nfa 1433 (sa 6602) over Daugherty Creek

Good

Obion County, Tennessee · 1.5 MI N of Dyer Co. · Structure no. 66S81650001

Built
1992
33 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
90 ft
1 main span
Daily traffic
650
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1433 (sa 6602) over Daugherty Creek is a prestressed concrete stringer/multi-beam or girder carrying Nfa 1433 (sa 6602) over Daugherty Creek in Obion County, Tennessee. It was built in 1992, so it is 33 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 650 vehicles a day, roughly 3% of them trucks, projected to reach 928 by 2041. The structure is 90 ft (27.4 m) long and 29 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesNfa 1433 (sa 6602)
CrossesDaugherty Creek
Location1.5 MI N of Dyer Co.
RouteCounty Highway 1433
CountyObion County
StateTennessee
Coordinates36.22178, -89.4175
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating92.8 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length90 ft (27.4 m)
Longest span89 ft (27.1 m)
Deck width29 ft (8.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic650 (2021)
Projected traffic928 by 2041
Trucks3%
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 1433 (sa 6602) over Daugherty Creek built?

It was built in 1992, making it 33 years old in 2025.

What condition is Nfa 1433 (sa 6602) over Daugherty 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 March 2023.

How much traffic does Nfa 1433 (sa 6602) over Daugherty Creek carry?

About 650 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1433 (sa 6602) over Daugherty Creek?

The structure is 90 ft (27.4 m) long with a longest span of 89 ft (27.1 m) and a deck 29 ft wide.

Who owns Nfa 1433 (sa 6602) over Daugherty Creek?

It is owned by the County Highway Agency.