US Bridges

County RD 305 over Fox Rvr

Fair

Clark County, Missouri · S 11 T 64 N R 6 W · Structure no. 21405

Built
2000
25 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
124 ft
2 main spans
Daily traffic
35
2024 count
Owner
County
County Highway Agency

About this bridge

County RD 305 over Fox Rvr is a steel continuous stringer/multi-beam or girder carrying County RD 305 over Fox Rvr in Clark County, Missouri. It was built in 2000, so it is 25 years old, younger 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 6 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 35 vehicles a day, roughly 10% of them trucks, projected to reach 44 by 2044. The structure is 124 ft (37.8 m) long and 20 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesCounty RD 305
CrossesFox Rvr
LocationS 11 T 64 N R 6 W
RouteCounty Highway 305
CountyClark County
StateMissouri
Coordinates40.35919, -91.51256
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating98.2 US tons
Inventory rating61.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length124 ft (37.8 m)
Longest span85 ft (25.9 m)
Deck width20 ft (6.1 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2024)
Projected traffic44 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 County RD 305 over Fox Rvr built?

It was built in 2000, making it 25 years old in 2025.

What condition is County RD 305 over Fox Rvr 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 July 2023.

How much traffic does County RD 305 over Fox Rvr carry?

About 35 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is County RD 305 over Fox Rvr?

The structure is 124 ft (37.8 m) long with a longest span of 85 ft (25.9 m) and a deck 20 ft wide.

Who owns County RD 305 over Fox Rvr?

It is owned by the County Highway Agency.