US Bridges

County RD 183 over Bridge CR

Good

Knox County, Missouri · S 8 T 62 N R 10 W · Structure no. 18365

Built
1996
29 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
92 ft
1 main span
Daily traffic
30
2024 count
Owner
County
County Highway Agency

About this bridge

County RD 183 over Bridge CR is a prestressed concrete stringer/multi-beam or girder carrying County RD 183 over Bridge CR in Knox County, Missouri. It was built in 1996, so it is 29 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 30 vehicles a day, roughly 10% of them trucks, projected to reach 38 by 2044. The structure is 92 ft (28 m) long and 26 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesCounty RD 183
CrossesBridge CR
LocationS 8 T 62 N R 10 W
RouteCounty Highway 183
Coordinates40.18506, -92.02444
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.4 US tons
Inventory rating37.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length92 ft (28 m)
Longest span90 ft (27.4 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2024)
Projected traffic38 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 183 over Bridge CR built?

It was built in 1996, making it 29 years old in 2025.

What condition is County RD 183 over Bridge 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 August 2023.

How much traffic does County RD 183 over Bridge CR carry?

About 30 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is County RD 183 over Bridge CR?

The structure is 92 ft (28 m) long with a longest span of 90 ft (27.4 m) and a deck 26 ft wide.

Who owns County RD 183 over Bridge CR?

It is owned by the County Highway Agency.