US Bridges

SW 204th ST over Owl CR

Good

Clinton County, Missouri · S 27 T 54 N R 32 W · Structure no. 20756

Built
1986
39 years old
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
50 ft
1 main span
Daily traffic
45
2023 count
Owner
County
County Highway Agency

About this bridge

SW 204th ST over Owl CR is a steel stringer/multi-beam or girder carrying SW 204th ST over Owl CR in Clinton County, Missouri. It was built in 1986, so it is 39 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 45 vehicles a day, roughly 10% of them trucks, projected to reach 52 by 2043. The structure is 50 ft (15.2 m) long and 24 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesSW 204th ST
CrossesOwl CR
LocationS 27 T 54 N R 32 W
RouteCounty Highway 273
Coordinates39.46158, -94.4856
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
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 statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating34.7 US tons
Inventory rating24.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length50 ft (15.2 m)
Longest span49 ft (14.9 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic45 (2023)
Projected traffic52 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 SW 204th ST over Owl CR built?

It was built in 1986, making it 39 years old in 2025.

What condition is SW 204th ST over Owl CR in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2024.

How much traffic does SW 204th ST over Owl CR carry?

About 45 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is SW 204th ST over Owl CR?

The structure is 50 ft (15.2 m) long with a longest span of 49 ft (14.9 m) and a deck 24 ft wide.

Who owns SW 204th ST over Owl CR?

It is owned by the County Highway Agency.