US Bridges

CO RD NW 1050 over Blackjack CR

GoodPosted for load

Johnson County, Missouri · S 33 T 48 N R 26 W · Structure no. 28599

Built
2000
25 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
67 ft
1 main span
Daily traffic
45
2023 count
Owner
County
County Highway Agency

About this bridge

CO RD NW 1050 over Blackjack CR is a steel stringer/multi-beam or girder carrying CO RD NW 1050 over Blackjack CR in Johnson County, Missouri. It was built in 2000, so it is 25 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. Its operating status is: posted for load restriction.

It carries about 45 vehicles a day, roughly 10% of them trucks, projected to reach 72 by 2043. The structure is 67 ft (20.4 m) long and 23 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesCO RD NW 1050
CrossesBlackjack CR
LocationS 33 T 48 N R 26 W
RouteCounty Highway 115
CountyJohnson County
StateMissouri
Coordinates38.91954, -93.78003
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
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 within limits of footing or piles
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating15.9 US tons
Inventory rating9.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length67 ft (20.4 m)
Longest span64 ft (19.5 m)
Deck width23 ft (7 m)
Roadway width23 ft (6.9 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 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$347,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CO RD NW 1050 over Blackjack CR built?

It was built in 2000, making it 25 years old in 2025.

What condition is CO RD NW 1050 over Blackjack CR 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 November 2024.

How much traffic does CO RD NW 1050 over Blackjack CR carry?

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

How long is CO RD NW 1050 over Blackjack CR?

The structure is 67 ft (20.4 m) long with a longest span of 64 ft (19.5 m) and a deck 23 ft wide.

Who owns CO RD NW 1050 over Blackjack CR?

It is owned by the County Highway Agency.