US Bridges

Seven Hills Way over North Fork Salt Rv

Fair

Adair County, Missouri · S 2 T 62 N R 14 W · Structure no. 20564

Built
1986
39 years old
Condition
Fair
inspected January 2024
Type
Tee Beam
Prestressed Concrete
Length
113 ft
3 main spans
Daily traffic
15
2024 count
Owner
County
County Highway Agency

About this bridge

Seven Hills Way over North Fork Salt Rv is a prestressed concrete tee beam carrying Seven Hills Way over North Fork Salt Rv in Adair County, Missouri. It was built in 1986, so it is 39 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 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 15 vehicles a day, roughly 10% of them trucks, projected to reach 17 by 2044. The structure is 113 ft (34.4 m) long and 18 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesSeven Hills Way
CrossesNorth Fork Salt Rv
LocationS 2 T 62 N R 14 W
RouteCounty Highway 264
Coordinates40.19721, -92.42649
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadOther
Structure length113 ft (34.4 m)
Longest span80 ft (24.4 m)
Deck width18 ft (5.5 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2024)
Projected traffic17 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Seven Hills Way over North Fork Salt Rv built?

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

What condition is Seven Hills Way over North Fork Salt Rv 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 January 2024.

How much traffic does Seven Hills Way over North Fork Salt Rv carry?

About 15 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Seven Hills Way over North Fork Salt Rv?

The structure is 113 ft (34.4 m) long with a longest span of 80 ft (24.4 m) and a deck 18 ft wide.

Who owns Seven Hills Way over North Fork Salt Rv?

It is owned by the County Highway Agency.