US Bridges

Sugar Grove RD over Trib to Gans CR

Good

Boone County, Missouri · S 26 T 48 N R 12 W · Structure no. 32652

Built
2008
17 years old
Condition
Good
inspected December 2024
Type
Culvert
Steel
Length
26 ft
3 main spans
Daily traffic
5
2023 count
Owner
County
County Highway Agency

About this bridge

Sugar Grove RD over Trib to Gans CR is a steel culvert carrying Sugar Grove RD over Trib to Gans CR in Boone County, Missouri. It was built in 2008, so it is 17 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 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 5 vehicles a day, roughly 10% of them trucks, projected to reach 10 by 2043. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesSugar Grove RD
CrossesTrib to Gans CR
LocationS 26 T 48 N R 12 W
RouteCounty Highway 346
CountyBoone County
StateMissouri
Coordinates38.90481, -92.24661
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadUnknown
Structure length26 ft (7.9 m)
Longest span7 ft (2.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5 (2023)
Projected traffic10 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 Sugar Grove RD over Trib to Gans CR built?

It was built in 2008, making it 17 years old in 2025.

What condition is Sugar Grove RD over Trib to 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 Sugar Grove RD over Trib to Gans CR carry?

About 5 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Sugar Grove RD over Trib to Gans CR?

The structure is 26 ft (7.9 m) long with a longest span of 7 ft (2.1 m).

Who owns Sugar Grove RD over Trib to Gans CR?

It is owned by the County Highway Agency.