US Bridges

Nfa A045 over Davidson Creek

Fair

Obion County, Tennessee · 4.3 MI N JCT SR21&SR184 · Structure no. 660A0450003

Built
1970
55 years old, rebuilt 2023
Condition
Fair
inspected March 2023
Type
Channel Beam
Concrete
Length
29 ft
1 main span
Daily traffic
430
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A045 over Davidson Creek is a concrete channel beam carrying Nfa A045 over Davidson Creek in Obion County, Tennessee. It was built in 1970 and reconstructed in 2023, so it is 55 years old, older 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 430 vehicles a day, roughly 4% of them trucks, projected to reach 688 by 2041. The structure is 29 ft (8.7 m) long and 22 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesNfa A045
CrossesDavidson Creek
Location4.3 MI N JCT SR21&SR184
RouteCounty Highway 45
CountyObion County
StateTennessee
Coordinates36.40003, -89.15542
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.2 US tons
Inventory rating30.3 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadH 15
Structure length29 ft (8.7 m)
Longest span29 ft (8.7 m)
Deck width22 ft (6.7 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic430 (2020)
Projected traffic688 by 2041
Trucks4%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$508,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A045 over Davidson Creek built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 2023.

What condition is Nfa A045 over Davidson 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 March 2023.

How much traffic does Nfa A045 over Davidson Creek carry?

About 430 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is Nfa A045 over Davidson Creek?

The structure is 29 ft (8.7 m) long with a longest span of 29 ft (8.7 m) and a deck 22 ft wide.

Who owns Nfa A045 over Davidson Creek?

It is owned by the County Highway Agency.