US Bridges

Clark LN over Hinkson CR

Good

Boone County, Missouri · S 8 T 48 N R 12 W · Structure no. 35567

Built
1992
33 years old
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
245 ft
4 main spans
Daily traffic
7,220
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Clark LN over Hinkson CR is a prestressed concrete continuous stringer/multi-beam or girder carrying Clark LN over Hinkson CR in Boone County, Missouri. It was built in 1992, so it is 33 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 7,220 vehicles a day, roughly 5% of them trucks, projected to reach 12,635 by 2043. The structure is 245 ft (74.7 m) long and 42 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesClark LN
CrossesHinkson CR
LocationS 8 T 48 N R 12 W
RouteCity Street 0
Coordinates38.9632, -92.29521
Functional classUrban 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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.4 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length245 ft (74.7 m)
Longest span62 ft (18.8 m)
Deck width42 ft (12.7 m)
Roadway width39 ft (11.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,220 (2023)
Projected traffic12,635 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Clark LN over Hinkson CR built?

It was built in 1992, making it 33 years old in 2025.

What condition is Clark LN over Hinkson 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 December 2024.

How much traffic does Clark LN over Hinkson CR carry?

About 7,220 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Clark LN over Hinkson CR?

The structure is 245 ft (74.7 m) long with a longest span of 62 ft (18.8 m) and a deck 42 ft wide.

Who owns Clark LN over Hinkson CR?

It is owned by the City or Municipal Highway Agency.