US Bridges

ST Charles RD over Hominy Br

Good

Boone County, Missouri · S 17 T 48 N R 12 W · Structure no. 15422

Built
1979
46 years old
Condition
Good
inspected December 2024
Type
Tee Beam
Prestressed Concrete
Length
55 ft
1 main span
Daily traffic
1,150
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

ST Charles RD over Hominy Br is a prestressed concrete tee beam carrying ST Charles RD over Hominy Br in Boone County, Missouri. It was built in 1979, so it is 46 years old, older 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,150 vehicles a day, roughly 10% of them trucks, projected to reach 2,013 by 2043. The structure is 55 ft (16.8 m) long and 29 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesST Charles RD
CrossesHominy Br
LocationS 17 T 48 N R 12 W
RouteCity Street 0
Coordinates38.94942, -92.28412
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating56.5 US tons
Inventory rating24.8 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length55 ft (16.8 m)
Longest span52 ft (15.8 m)
Deck width29 ft (8.9 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,150 (2023)
Projected traffic2,013 by 2043
Trucks10%
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 ST Charles RD over Hominy Br built?

It was built in 1979, making it 46 years old in 2025.

What condition is ST Charles RD over Hominy Br 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 ST Charles RD over Hominy Br carry?

About 1,150 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is ST Charles RD over Hominy Br?

The structure is 55 ft (16.8 m) long with a longest span of 52 ft (15.8 m) and a deck 29 ft wide.

Who owns ST Charles RD over Hominy Br?

It is owned by the City or Municipal Highway Agency.