US Bridges

CO RD NW 901 over S Fk Blackwater Rv

Fair

Johnson County, Missouri · S 17 T 46 N R 27 W · Structure no. 20541

Built
1987
38 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
213 ft
3 main spans
Daily traffic
110
2023 count
Owner
County
County Highway Agency

About this bridge

CO RD NW 901 over S Fk Blackwater Rv is a prestressed concrete continuous stringer/multi-beam or girder carrying CO RD NW 901 over S Fk Blackwater Rv in Johnson County, Missouri. It was built in 1987, so it is 38 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 110 vehicles a day, roughly 10% of them trucks, projected to reach 176 by 2043. The structure is 213 ft (64.9 m) long and 26 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesCO RD NW 901
CrossesS Fk Blackwater Rv
LocationS 17 T 46 N R 27 W
RouteCounty Highway 264
CountyJohnson County
StateMissouri
Coordinates38.78402, -93.91407
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.
Superstructure7 GoodSome minor problems.
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 inspectionNovember 2024
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadOther
Structure length213 ft (64.9 m)
Longest span70 ft (21.3 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic110 (2023)
Projected traffic176 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 CO RD NW 901 over S Fk Blackwater Rv built?

It was built in 1987, making it 38 years old in 2025.

What condition is CO RD NW 901 over S Fk Blackwater Rv 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 November 2024.

How much traffic does CO RD NW 901 over S Fk Blackwater Rv carry?

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

How long is CO RD NW 901 over S Fk Blackwater Rv?

The structure is 213 ft (64.9 m) long with a longest span of 70 ft (21.3 m) and a deck 26 ft wide.

Who owns CO RD NW 901 over S Fk Blackwater Rv?

It is owned by the County Highway Agency.