US Bridges

CO RD NE 101 over Blackjack CR

Fair

Johnson County, Missouri · S 13 T 47 N R 25 W · Structure no. 16628

Built
1982
43 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
30 ft
1 main span
Daily traffic
65
2023 count
Owner
County
County Highway Agency

About this bridge

CO RD NE 101 over Blackjack CR is a steel stringer/multi-beam or girder carrying CO RD NE 101 over Blackjack CR in Johnson County, Missouri. It was built in 1982, so it is 43 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 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 65 vehicles a day, roughly 10% of them trucks, projected to reach 104 by 2043. The structure is 30 ft (9.1 m) long and 20 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCO RD NE 101
CrossesBlackjack CR
LocationS 13 T 47 N R 25 W
RouteCounty Highway 126
Coordinates38.87653, -93.71978
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31.7 US tons
Inventory rating18.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length30 ft (9.1 m)
Longest span29 ft (8.8 m)
Deck width20 ft (6.2 m)
Roadway width20 ft (6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic65 (2023)
Projected traffic104 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 NE 101 over Blackjack CR built?

It was built in 1982, making it 43 years old in 2025.

What condition is CO RD NE 101 over Blackjack CR 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 101 over Blackjack CR carry?

About 65 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is CO RD NE 101 over Blackjack CR?

The structure is 30 ft (9.1 m) long with a longest span of 29 ft (8.8 m) and a deck 20 ft wide.

Who owns CO RD NE 101 over Blackjack CR?

It is owned by the County Highway Agency.