US Bridges

County RD 718 over Nations CR

Good

Perry County, Missouri · S 14 T 34 N R 9 E · Structure no. 20616

Built
1920
105 years old, rebuilt 1982
Condition
Good
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
75 ft
2 main spans
Daily traffic
40
2023 count
Owner
County
County Highway Agency

About this bridge

County RD 718 over Nations CR is a steel continuous stringer/multi-beam or girder carrying County RD 718 over Nations CR in Perry County, Missouri. It was built in 1920 and reconstructed in 1982, so it is 105 years old, older than the Missouri average of 45.1 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 40 vehicles a day, roughly 10% of them trucks, projected to reach 54 by 2043. The structure is 75 ft (22.9 m) long and 26 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesCounty RD 718
CrossesNations CR
LocationS 14 T 34 N R 9 E
RouteCounty Highway 267
Coordinates37.64929, -90.00937
Functional classRural Local

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating34.7 US tons
Inventory rating14.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length75 ft (22.9 m)
Longest span34 ft (10.4 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2023)
Projected traffic54 by 2043
Trucks10%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD 718 over Nations CR built?

It was built in 1920, making it 105 years old in 2025. It was reconstructed in 1982.

What condition is County RD 718 over Nations CR 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 January 2025.

How much traffic does County RD 718 over Nations CR carry?

About 40 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is County RD 718 over Nations CR?

The structure is 75 ft (22.9 m) long with a longest span of 34 ft (10.4 m) and a deck 26 ft wide.

Who owns County RD 718 over Nations CR?

It is owned by the County Highway Agency.