US Bridges

County RD 315 ST over Coldwater CR

Fair

Cass County, Missouri · S 4 T 43 N R 33 W · Structure no. 30633

Built
2003
22 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
73 ft
1 main span
Daily traffic
50
2024 count
Owner
County
County Highway Agency

About this bridge

County RD 315 ST over Coldwater CR is a steel stringer/multi-beam or girder carrying County RD 315 ST over Coldwater CR in Cass County, Missouri. It was built in 2003, so it is 22 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 6 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 50 vehicles a day, roughly 5% of them trucks, projected to reach 80 by 2044. The structure is 73 ft (22.3 m) long and 24 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesCounty RD 315 ST
CrossesColdwater CR
LocationS 4 T 43 N R 33 W
RouteCounty Highway 485
Coordinates38.54901, -94.58062
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.4 US tons
Inventory rating41.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length73 ft (22.3 m)
Longest span69 ft (21 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2024)
Projected traffic80 by 2044
Trucks5%
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 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 315 ST over Coldwater CR built?

It was built in 2003, making it 22 years old in 2025.

What condition is County RD 315 ST over Coldwater 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 March 2023.

How much traffic does County RD 315 ST over Coldwater CR carry?

About 50 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is County RD 315 ST over Coldwater CR?

The structure is 73 ft (22.3 m) long with a longest span of 69 ft (21 m) and a deck 24 ft wide.

Who owns County RD 315 ST over Coldwater CR?

It is owned by the County Highway Agency.