US Bridges

CO RD SW 371 over Bradley Br W Fk Po

Fair

Johnson County, Missouri · S 8 T 45 N R 26 W · Structure no. 22905

Built
1900
125 years old, rebuilt 1986
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
59 ft
2 main spans
Daily traffic
110
2023 count
Owner
County
County Highway Agency

About this bridge

CO RD SW 371 over Bradley Br W Fk Po is a steel stringer/multi-beam or girder carrying CO RD SW 371 over Bradley Br W Fk Po in Johnson County, Missouri. It was built in 1900 and reconstructed in 1986, so it is 125 years old, older 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 110 vehicles a day, roughly 10% of them trucks, projected to reach 176 by 2043. The structure is 59 ft (18 m) long and 17 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesCO RD SW 371
CrossesBradley Br W Fk Po
LocationS 8 T 45 N R 26 W
RouteCounty Highway 379
CountyJohnson County
StateMissouri
Coordinates38.71177, -93.82042
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, 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 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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating56.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadOther
Structure length59 ft (18 m)
Longest span39 ft (11.9 m)
Deck width17 ft (5.2 m)
Roadway width16 ft (5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic110 (2023)
Projected traffic176 by 2043
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$309,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CO RD SW 371 over Bradley Br W Fk Po built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1986.

What condition is CO RD SW 371 over Bradley Br W Fk Po 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 December 2024.

How much traffic does CO RD SW 371 over Bradley Br W Fk Po carry?

About 110 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is CO RD SW 371 over Bradley Br W Fk Po?

The structure is 59 ft (18 m) long with a longest span of 39 ft (11.9 m) and a deck 17 ft wide.

Who owns CO RD SW 371 over Bradley Br W Fk Po?

It is owned by the County Highway Agency.