US Bridges

Collins RD over Camp Br

Fair

Clay County, Missouri · S 17 T 53 N R 32 W · Structure no. 12752

Built
1979
46 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
424 ft
3 main spans
Daily traffic
920
2024 count
Owner
County
County Highway Agency

About this bridge

Collins RD over Camp Br is a steel stringer/multi-beam or girder carrying Collins RD over Camp Br in Clay County, Missouri. It was built in 1979, so it is 46 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.

It carries about 920 vehicles a day, roughly 10% of them trucks, projected to reach 1,426 by 2044. The structure is 424 ft (129.2 m) long and 31 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

Open in Google Maps
CarriesCollins RD
CrossesCamp Br
LocationS 17 T 53 N R 32 W
RouteCounty Highway 0
CountyClay County
StateMissouri
Coordinates39.40525, -94.51192
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.6 US tons
Inventory rating27.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadOther
Structure length424 ft (129.2 m)
Longest span131 ft (39.9 m)
Deck width31 ft (9.5 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic920 (2024)
Projected traffic1,426 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 Collins RD over Camp Br built?

It was built in 1979, making it 46 years old in 2025.

What condition is Collins RD over Camp Br 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 January 2024.

How much traffic does Collins RD over Camp Br carry?

About 920 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Collins RD over Camp Br?

The structure is 424 ft (129.2 m) long with a longest span of 131 ft (39.9 m) and a deck 31 ft wide.

Who owns Collins RD over Camp Br?

It is owned by the County Highway Agency.