US Bridges

CO RD SW 601 over Br W Fk Post Oak C

Good

Johnson County, Missouri · S 35 T 45 N R 27 W · Structure no. 35462

Built
2015
10 years old
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
90 ft
1 main span
Daily traffic
50
2023 count
Owner
County
County Highway Agency

About this bridge

CO RD SW 601 over Br W Fk Post Oak C is a steel stringer/multi-beam or girder carrying CO RD SW 601 over Br W Fk Post Oak C in Johnson County, Missouri. It was built in 2015, so it is 10 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 50 vehicles a day, roughly 10% of them trucks, projected to reach 80 by 2043. The structure is 90 ft (27.4 m) long and 23 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesCO RD SW 601
CrossesBr W Fk Post Oak C
LocationS 35 T 45 N R 27 W
RouteCounty Highway 366
Coordinates38.65954, -93.86393
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.4 US tons
Inventory rating45.6 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length90 ft (27.4 m)
Longest span89 ft (27.1 m)
Deck width23 ft (7 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2023)
Projected traffic80 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 CO RD SW 601 over Br W Fk Post Oak C built?

It was built in 2015, making it 10 years old in 2025.

What condition is CO RD SW 601 over Br W Fk Post Oak C 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 CO RD SW 601 over Br W Fk Post Oak C carry?

About 50 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is CO RD SW 601 over Br W Fk Post Oak C?

The structure is 90 ft (27.4 m) long with a longest span of 89 ft (27.1 m) and a deck 23 ft wide.

Who owns CO RD SW 601 over Br W Fk Post Oak C?

It is owned by the County Highway Agency.