US Bridges

Rp US63C to IS70W over Hinkson Creek

Fair

Boone County, Missouri · S 8 T 48 N R 12 W · Structure no. 6687

Built
1957
68 years old, rebuilt 2004
Condition
Fair
inspected September 2023
Type
Tee Beam
Concrete
Length
192 ft
5 main spans
Daily traffic
12,237
2024 count
Owner
State
State Highway Agency

About this bridge

Rp US63C to IS70W over Hinkson Creek is a concrete tee beam carrying Rp US63C to IS70W over Hinkson Creek in Boone County, Missouri. It was built in 1957 and reconstructed in 2004, so it is 68 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 12,237 vehicles a day, roughly 18% of them trucks, projected to reach 20,191 by 2044. The structure is 192 ft (58.5 m) long and 43 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesRp US63C to IS70W
CrossesHinkson Creek
LocationS 8 T 48 N R 12 W
RouteState Highway 0
CountyBoone County
StateMissouri
Coordinates38.96264, -92.29567
Functional classUrban Principal Arterial - Interstate

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.6 US tons
Inventory rating29.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length192 ft (58.5 m)
Longest span52 ft (16 m)
Deck width43 ft (13 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,237 (2024)
Projected traffic20,191 by 2044
Trucks18%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Rp US63C to IS70W over Hinkson Creek built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 2004.

What condition is Rp US63C to IS70W over Hinkson Creek 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 September 2023.

How much traffic does Rp US63C to IS70W over Hinkson Creek carry?

About 12,237 vehicles per day (2024 count), of which roughly 18% are trucks.

How long is Rp US63C to IS70W over Hinkson Creek?

The structure is 192 ft (58.5 m) long with a longest span of 52 ft (16 m) and a deck 43 ft wide.

Who owns Rp US63C to IS70W over Hinkson Creek?

It is owned by the State Highway Agency.