US Bridges

530 TH Road over Owl CR

FairPosted for load

Gentry County, Missouri · S 15 T 61 N R 31 W · Structure no. 24386

Built
1978
47 years old
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
43 ft
1 main span
Daily traffic
10
2024 count
Owner
County
County Highway Agency

About this bridge

530 TH Road over Owl CR is a steel stringer/multi-beam or girder carrying 530 TH Road over Owl CR in Gentry County, Missouri. It was built in 1978, so it is 47 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 43 ft (13.1 m) long and 14 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Carries530 TH Road
CrossesOwl CR
LocationS 15 T 61 N R 31 W
RouteCounty Highway 485
Coordinates40.08482, -94.38848
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
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 inspectionFebruary 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 geometry6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating9.9 US tons
Inventory rating6 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1 (+1 approach)
Design loadOther
Structure length43 ft (13.1 m)
Longest span28 ft (8.5 m)
Deck width14 ft (4.3 m)
Roadway width14 ft (4.3 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 closed6.8 mi (11 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$366,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 530 TH Road over Owl CR built?

It was built in 1978, making it 47 years old in 2025.

What condition is 530 TH Road over Owl 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 February 2023.

How much traffic does 530 TH Road over Owl CR carry?

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

How long is 530 TH Road over Owl CR?

The structure is 43 ft (13.1 m) long with a longest span of 28 ft (8.5 m) and a deck 14 ft wide.

Who owns 530 TH Road over Owl CR?

It is owned by the County Highway Agency.