US Bridges

County RD 237 over Creek

FairPosted for load

Knox County, Missouri · S 3 T 61 N R 13 W · Structure no. 19858

Built
1984
41 years old
Condition
Fair
inspected August 2023
Type
Girder and Floorbeam System
Steel
Length
48 ft
1 main span
Daily traffic
20
2024 count
Owner
County
County Highway Agency

About this bridge

County RD 237 over Creek is a steel girder and floorbeam system carrying County RD 237 over Creek in Knox County, Missouri. It was built in 1984, so it is 41 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 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 20 vehicles a day, roughly 10% of them trucks, projected to reach 25 by 2044. The structure is 48 ft (14.6 m) long and 17 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesCounty RD 237
CrossesCreek
LocationS 3 T 61 N R 13 W
RouteCounty Highway 237
CountyKnox County
StateMissouri
Coordinates40.11003, -92.33614
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating21.8 US tons
Inventory rating13.9 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel
DeckWood or timber
Main spans1
Design loadOther
Structure length48 ft (14.6 m)
Longest span45 ft (13.7 m)
Deck width17 ft (5.3 m)
Roadway width15 ft (4.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2024)
Projected traffic25 by 2044
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 237 over Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is County RD 237 over 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 August 2023.

How much traffic does County RD 237 over Creek carry?

About 20 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is County RD 237 over Creek?

The structure is 48 ft (14.6 m) long with a longest span of 45 ft (13.7 m) and a deck 17 ft wide.

Who owns County RD 237 over Creek?

It is owned by the County Highway Agency.