US Bridges

County RD 233 over Branch

FairPosted for load

Marion County, Missouri · S 2 T 57 N R 8 W · Structure no. 18627

Built
1910
115 years old, rebuilt 1987
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
31 ft
1 main span
Daily traffic
60
2023 count
Owner
County
County Highway Agency

About this bridge

County RD 233 over Branch is a steel stringer/multi-beam or girder carrying County RD 233 over Branch in Marion County, Missouri. It was built in 1910 and reconstructed in 1987, so it is 115 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 6 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 60 vehicles a day, roughly 10% of them trucks, projected to reach 75 by 2043. The structure is 31 ft (9.4 m) long and 19 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesCounty RD 233
CrossesBranch
LocationS 2 T 57 N R 8 W
RouteCounty Highway 193
CountyMarion County
StateMissouri
Coordinates39.76517, -91.75883
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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating20.8 US tons
Inventory rating12.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length31 ft (9.4 m)
Longest span29 ft (8.8 m)
Deck width19 ft (5.7 m)
Roadway width19 ft (5.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2023)
Projected traffic75 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD 233 over Branch built?

It was built in 1910, making it 115 years old in 2025. It was reconstructed in 1987.

What condition is County RD 233 over Branch 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 County RD 233 over Branch carry?

About 60 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is County RD 233 over Branch?

The structure is 31 ft (9.4 m) long with a longest span of 29 ft (8.8 m) and a deck 19 ft wide.

Who owns County RD 233 over Branch?

It is owned by the County Highway Agency.