US Bridges

CO RD NW 1251 over Little CR

Poor

Johnson County, Missouri · S 11 T 46 N R 28 W · Structure no. 20778

Built
1997
28 years old
Condition
Poor
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
68 ft
1 main span
Daily traffic
45
2023 count
Owner
County
County Highway Agency

About this bridge

CO RD NW 1251 over Little CR is a steel stringer/multi-beam or girder carrying CO RD NW 1251 over Little CR in Johnson County, Missouri. It was built in 1997, so it is 28 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 45 vehicles a day, roughly 10% of them trucks, projected to reach 72 by 2043. The structure is 68 ft (20.7 m) long and 23 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCO RD NW 1251
CrossesLittle CR
LocationS 11 T 46 N R 28 W
RouteCounty Highway 274
Coordinates38.80202, -93.97504
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
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; action required to protect exposed foundations
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36.7 US tons
Inventory rating21.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length68 ft (20.7 m)
Longest span65 ft (19.8 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 closed3.1 mi (5 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$510,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CO RD NW 1251 over Little CR built?

It was built in 1997, making it 28 years old in 2025.

What condition is CO RD NW 1251 over Little CR in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in November 2024.

How much traffic does CO RD NW 1251 over Little CR carry?

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

How long is CO RD NW 1251 over Little CR?

The structure is 68 ft (20.7 m) long with a longest span of 65 ft (19.8 m) and a deck 23 ft wide.

Who owns CO RD NW 1251 over Little CR?

It is owned by the County Highway Agency.