US Bridges

Crd E 450 over Br of Bear CR

Fair

Polk County, Missouri · S 7 T 33 N R 23 W · Structure no. 36230

Built
2019
6 years old
Condition
Fair
inspected April 2024
Type
Culvert
Concrete Continuous
Length
28 ft
3 main spans
Daily traffic
20
2024 count
Owner
County
County Highway Agency

About this bridge

Crd E 450 over Br of Bear CR is a concrete continuous culvert carrying Crd E 450 over Br of Bear CR in Polk County, Missouri. It was built in 2019, so it is 6 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.

It carries about 20 vehicles a day, roughly 10% of them trucks, projected to reach 29 by 2044. The structure is 28 ft (8.5 m) long and 22 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCrd E 450
CrossesBr of Bear CR
LocationS 7 T 33 N R 23 W
RouteCounty Highway 259
Coordinates37.59943, -93.50198
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
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating99.2 US tons
Inventory rating59.5 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span8 ft (2.4 m)
Deck width22 ft (6.7 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2024)
Projected traffic29 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Crd E 450 over Br of Bear CR built?

It was built in 2019, making it 6 years old in 2025.

What condition is Crd E 450 over Br of Bear 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 April 2024.

How much traffic does Crd E 450 over Br of Bear CR carry?

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

How long is Crd E 450 over Br of Bear CR?

The structure is 28 ft (8.5 m) long with a longest span of 8 ft (2.4 m) and a deck 22 ft wide.

Who owns Crd E 450 over Br of Bear CR?

It is owned by the County Highway Agency.