US Bridges

CO RD NE 175 over Trib Blackwater Rv

FairPosted for load

Johnson County, Missouri · S 7 T 46 N R 25 W · Structure no. 34878

Built
1995
30 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
28 ft
1 main span
Daily traffic
50
2023 count
Owner
County
County Highway Agency

About this bridge

CO RD NE 175 over Trib Blackwater Rv is a steel stringer/multi-beam or girder carrying CO RD NE 175 over Trib Blackwater Rv in Johnson County, Missouri. It was built in 1995, so it is 30 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. Its operating status is: posted for load restriction.

It carries about 50 vehicles a day, roughly 10% of them trucks, projected to reach 80 by 2043. The structure is 28 ft (8.4 m) long and 20 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesCO RD NE 175
CrossesTrib Blackwater Rv
LocationS 7 T 46 N R 25 W
RouteCounty Highway 22
CountyJohnson County
StateMissouri
Coordinates38.79133, -93.72408
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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
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 rating17.9 US tons
Inventory rating10.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length28 ft (8.4 m)
Longest span26 ft (7.8 m)
Deck width20 ft (6.2 m)
Roadway width20 ft (6.2 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 closed8.7 mi (14 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$185,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CO RD NE 175 over Trib Blackwater Rv built?

It was built in 1995, making it 30 years old in 2025.

What condition is CO RD NE 175 over Trib 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 NE 175 over Trib Blackwater Rv carry?

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

How long is CO RD NE 175 over Trib Blackwater Rv?

The structure is 28 ft (8.4 m) long with a longest span of 26 ft (7.8 m) and a deck 20 ft wide.

Who owns CO RD NE 175 over Trib Blackwater Rv?

It is owned by the County Highway Agency.