US Bridges

Nfa 1530 (sa 6613) over Kilham Creek

Fair

Obion County, Tennessee · 4.5 MI SE JCT SR22&SR157 · Structure no. 66015300001

Built
1970
55 years old, rebuilt 2009
Condition
Fair
inspected March 2023
Type
Box Beam or Girders - Multiple
Concrete
Length
55 ft
1 main span
Daily traffic
630
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1530 (sa 6613) over Kilham Creek is a concrete box beam or girders - multiple carrying Nfa 1530 (sa 6613) over Kilham Creek in Obion County, Tennessee. It was built in 1970 and reconstructed in 2009, 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 630 vehicles a day, roughly 5% of them trucks, projected to reach 944 by 2041. The structure is 55 ft (16.8 m) long and 25 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

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CarriesNfa 1530 (sa 6613)
CrossesKilham Creek
Location4.5 MI SE JCT SR22&SR157
RouteCounty Highway 5742
CountyObion County
StateTennessee
Coordinates36.40369, -89.23547
Functional classRural Major 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
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
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34 US tons
Inventory rating26.1 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete
DeckOther
Main spans1 (+1 approach)
Design loadH 15
Structure length55 ft (16.8 m)
Longest span36 ft (11 m)
Deck width25 ft (7.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic630 (2021)
Projected traffic944 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$169,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 1530 (sa 6613) over Kilham Creek built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 2009.

What condition is Nfa 1530 (sa 6613) over Kilham 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 1530 (sa 6613) over Kilham Creek carry?

About 630 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Nfa 1530 (sa 6613) over Kilham Creek?

The structure is 55 ft (16.8 m) long with a longest span of 36 ft (11 m) and a deck 25 ft wide.

Who owns Nfa 1530 (sa 6613) over Kilham Creek?

It is owned by the County Highway Agency.