US Bridges

County RD 150 over Highly CR

FairPosted for load

Holt County, Missouri · S 7 T 62 N R 37 W · Structure no. 15100

Built
1930
95 years old
Condition
Fair
inspected November 2023
Type
Girder and Floorbeam System
Steel
Length
65 ft
1 main span
Daily traffic
10
2024 count
Owner
County
County Highway Agency

About this bridge

County RD 150 over Highly CR is a steel girder and floorbeam system carrying County RD 150 over Highly CR in Holt County, Missouri. It was built in 1930, so it is 95 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 10 vehicles a day, roughly 10% of them trucks, projected to reach 12 by 2044. The structure is 65 ft (19.8 m) long and 16 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesCounty RD 150
CrossesHighly CR
LocationS 7 T 62 N R 37 W
RouteCounty Highway 85
CountyHolt County
StateMissouri
Coordinates40.19182, -95.11379
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating8.9 US tons
Inventory rating5 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel
DeckWood or timber
Main spans1 (+1 approach)
Design loadOther
Structure length65 ft (19.8 m)
Longest span49 ft (14.9 m)
Deck width16 ft (4.9 m)
Roadway width16 ft (4.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2024)
Projected traffic12 by 2044
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$494,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD 150 over Highly CR built?

It was built in 1930, making it 95 years old in 2025.

What condition is County RD 150 over Highly 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 2023.

How much traffic does County RD 150 over Highly CR carry?

About 10 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is County RD 150 over Highly CR?

The structure is 65 ft (19.8 m) long with a longest span of 49 ft (14.9 m) and a deck 16 ft wide.

Who owns County RD 150 over Highly CR?

It is owned by the County Highway Agency.