US Bridges

CO RD 1571 over N Fk of Blackwater

Fair

Johnson County, Missouri · S 10 T 47 N R 28 W · Structure no. 12543

Built
1900
125 years old, rebuilt 1983
Condition
Fair
inspected November 2024
Type
Tee Beam
Prestressed Concrete
Length
58 ft
1 main span
Daily traffic
45
2023 count
Owner
County
County Highway Agency

About this bridge

CO RD 1571 over N Fk of Blackwater is a prestressed concrete tee beam carrying CO RD 1571 over N Fk of Blackwater in Johnson County, Missouri. It was built in 1900 and reconstructed in 1983, 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 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 45 vehicles a day, roughly 10% of them trucks, projected to reach 72 by 2043. The structure is 58 ft (17.7 m) long and 23 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesCO RD 1571
CrossesN Fk of Blackwater
LocationS 10 T 47 N R 28 W
RouteCounty Highway 13
CountyJohnson County
StateMissouri
Coordinates38.8952, -93.99768
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating54.6 US tons
Inventory rating17.9 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length58 ft (17.7 m)
Longest span55 ft (16.8 m)
Deck width23 ft (6.9 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic45 (2023)
Projected traffic72 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 1571 over N Fk of Blackwater built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1983.

What condition is CO RD 1571 over N Fk of Blackwater 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 1571 over N Fk of Blackwater carry?

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

How long is CO RD 1571 over N Fk of Blackwater?

The structure is 58 ft (17.7 m) long with a longest span of 55 ft (16.8 m) and a deck 23 ft wide.

Who owns CO RD 1571 over N Fk of Blackwater?

It is owned by the County Highway Agency.