US Bridges

Old RTE 63 over Hinkson CR

Fair

Boone County, Missouri · S 18 T 48 N R 12 W · Structure no. 15426

Built
1928
97 years old, rebuilt 1986
Condition
Fair
inspected December 2024
Type
Tee Beam
Prestressed Concrete
Length
191 ft
4 main spans
Daily traffic
6,000
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Old RTE 63 over Hinkson CR is a prestressed concrete tee beam carrying Old RTE 63 over Hinkson CR in Boone County, Missouri. It was built in 1928 and reconstructed in 1986, so it is 97 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 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 6,000 vehicles a day, roughly 5% of them trucks, projected to reach 10,500 by 2043. The structure is 191 ft (58.2 m) long and 39 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesOld RTE 63
CrossesHinkson CR
LocationS 18 T 48 N R 12 W
RouteCity Street 0
CountyBoone County
StateMissouri
Coordinates38.945, -92.30706
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating64.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length191 ft (58.2 m)
Longest span48 ft (14.6 m)
Deck width39 ft (12 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,000 (2023)
Projected traffic10,500 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Old RTE 63 over Hinkson CR built?

It was built in 1928, making it 97 years old in 2025. It was reconstructed in 1986.

What condition is Old RTE 63 over Hinkson CR 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 December 2024.

How much traffic does Old RTE 63 over Hinkson CR carry?

About 6,000 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Old RTE 63 over Hinkson CR?

The structure is 191 ft (58.2 m) long with a longest span of 48 ft (14.6 m) and a deck 39 ft wide.

Who owns Old RTE 63 over Hinkson CR?

It is owned by the City or Municipal Highway Agency.