US Bridges

Boyer RD over Little CR

FairPosted for load

Wright County, Missouri · S 27 T 30 N R 15 W · Structure no. 21596

Built
1940
85 years old, rebuilt 1987
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
22 ft
1 main span
Daily traffic
14
2023 count
Owner
County
County Highway Agency

About this bridge

Boyer RD over Little CR is a steel stringer/multi-beam or girder carrying Boyer RD over Little CR in Wright County, Missouri. It was built in 1940 and reconstructed in 1987, so it is 85 years old, older 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 14 vehicles a day, roughly 10% of them trucks, projected to reach 20 by 2043. The structure is 22 ft (6.7 m) long and 17 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesBoyer RD
CrossesLittle CR
LocationS 27 T 30 N R 15 W
RouteCounty Highway 313
CountyWright County
StateMissouri
Coordinates37.28253, -92.57945
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.
Superstructure8 Very GoodNo problems noted.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating26.8 US tons
Inventory rating13.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length22 ft (6.7 m)
Longest span21 ft (6.4 m)
Deck width17 ft (5.1 m)
Roadway width15 ft (4.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14 (2023)
Projected traffic20 by 2043
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Boyer RD over Little CR built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1987.

What condition is Boyer RD over Little CR 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 December 2024.

How much traffic does Boyer RD over Little CR carry?

About 14 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Boyer RD over Little CR?

The structure is 22 ft (6.7 m) long with a longest span of 21 ft (6.4 m) and a deck 17 ft wide.

Who owns Boyer RD over Little CR?

It is owned by the County Highway Agency.