US Bridges

Ponderosa Street over Gans CR

Good

Boone County, Missouri · S 33 T 48 N R 12 W · Structure no. 36934

Built
2016
9 years old
Condition
Good
inspected December 2024
Type
Tee Beam
Prestressed Concrete
Length
94 ft
1 main span
Daily traffic
1,564
2023 count
Owner
County
County Highway Agency

About this bridge

Ponderosa Street over Gans CR is a prestressed concrete tee beam carrying Ponderosa Street over Gans CR in Boone County, Missouri. It was built in 2016, so it is 9 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 1,564 vehicles a day, roughly 48% of them trucks, projected to reach 2,737 by 2043. The structure is 94 ft (28.5 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesPonderosa Street
CrossesGans CR
LocationS 33 T 48 N R 12 W
RouteState Highway 510
Coordinates38.89449, -92.27581
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.
Substructure9 ExcellentNo 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 alignment8: Equal to present desirable criteria
Operating rating79.4 US tons
Inventory rating29.8 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length94 ft (28.5 m)
Longest span90 ft (27.4 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,564 (2023)
Projected traffic2,737 by 2043
Trucks48%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Ponderosa Street over Gans CR built?

It was built in 2016, making it 9 years old in 2025.

What condition is Ponderosa Street over Gans 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 Ponderosa Street over Gans CR carry?

About 1,564 vehicles per day (2023 count), of which roughly 48% are trucks.

How long is Ponderosa Street over Gans CR?

The structure is 94 ft (28.5 m) long with a longest span of 90 ft (27.4 m) and a deck 31 ft wide.

Who owns Ponderosa Street over Gans CR?

It is owned by the County Highway Agency.