US Bridges

County RD 1450 over Crabtree Br

PoorPosted for load

Cedar County, Missouri · S 13 T 34 N R 26 W · Structure no. 20488

Built
1925
100 years old, rebuilt 1986
Condition
Poor
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
31 ft
1 main span
Daily traffic
40
2023 count
Owner
County
County Highway Agency

About this bridge

County RD 1450 over Crabtree Br is a steel stringer/multi-beam or girder carrying County RD 1450 over Crabtree Br in Cedar County, Missouri. It was built in 1925 and reconstructed in 1986, so it is 100 years old, older than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 40 vehicles a day, roughly 10% of them trucks, projected to reach 50 by 2043. The structure is 31 ft (9.4 m) long and 15 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCounty RD 1450
CrossesCrabtree Br
LocationS 13 T 34 N R 26 W
RouteCounty Highway 262
Coordinates37.68458, -93.72918
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating21.8 US tons
Inventory rating12.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length31 ft (9.4 m)
Longest span25 ft (7.6 m)
Deck width15 ft (4.6 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2023)
Projected traffic50 by 2043
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$289,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD 1450 over Crabtree Br built?

It was built in 1925, making it 100 years old in 2025. It was reconstructed in 1986.

What condition is County RD 1450 over Crabtree Br in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in December 2024.

How much traffic does County RD 1450 over Crabtree Br carry?

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

How long is County RD 1450 over Crabtree Br?

The structure is 31 ft (9.4 m) long with a longest span of 25 ft (7.6 m) and a deck 15 ft wide.

Who owns County RD 1450 over Crabtree Br?

It is owned by the County Highway Agency.