US Bridges

CO RD NE 251 over Ham CR

Good

Johnson County, Missouri · S 32 T 47 N R 25 W · Structure no. 17293

Built
1999
26 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
41 ft
1 main span
Daily traffic
70
2023 count
Owner
County
County Highway Agency

About this bridge

CO RD NE 251 over Ham CR is a steel stringer/multi-beam or girder carrying CO RD NE 251 over Ham CR in Johnson County, Missouri. It was built in 1999, so it is 26 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.

It carries about 70 vehicles a day, roughly 10% of them trucks, projected to reach 112 by 2043. The structure is 41 ft (12.5 m) long and 23 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCO RD NE 251
CrossesHam CR
LocationS 32 T 47 N R 25 W
RouteCounty Highway 148
Coordinates38.82984, -93.68945
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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
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 rating53.6 US tons
Inventory rating31.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length41 ft (12.5 m)
Longest span38 ft (11.6 m)
Deck width23 ft (7 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70 (2023)
Projected traffic112 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 251 over Ham CR built?

It was built in 1999, making it 26 years old in 2025.

What condition is CO RD NE 251 over Ham 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 NE 251 over Ham CR carry?

About 70 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is CO RD NE 251 over Ham CR?

The structure is 41 ft (12.5 m) long with a longest span of 38 ft (11.6 m) and a deck 23 ft wide.

Who owns CO RD NE 251 over Ham CR?

It is owned by the County Highway Agency.