US Bridges

Minor Col 99 over Trib Rock Crek

Good

Wabaunsee County, Kansas · 6.5S 6.7E of Alta Vista · Structure no. 000990923704700

Built
1999
26 years old
Condition
Good
inspected November 2021
Type
Culvert
Concrete
Length
22 ft
1 main span
Daily traffic
30
2013 count
Owner
County
County Highway Agency

About this bridge

Minor Col 99 over Trib Rock Crek is a concrete culvert carrying Minor Col 99 over Trib Rock Crek in Wabaunsee County, Kansas. It was built in 1999, so it is 26 years old, younger than the Kansas average of 52.8 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 30 vehicles a day, projected to reach 36 by 2041. The structure is 22 ft (6.7 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesMinor Col 99
CrossesTrib Rock Crek
Location6.5S 6.7E of Alta Vista
RouteCounty Highway 9902
StateKansas
Coordinates38.76818, -96.35904
Functional classRural Minor Collector

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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2021
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.2 US tons
Inventory rating45 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span21 ft (6.4 m)
Deck width27 ft (8.2 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic30 (2013)
Projected traffic36 by 2041
Trucks0%
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 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 Minor Col 99 over Trib Rock Crek built?

It was built in 1999, making it 26 years old in 2025.

What condition is Minor Col 99 over Trib Rock Crek 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 November 2021.

How much traffic does Minor Col 99 over Trib Rock Crek carry?

About 30 vehicles per day (2013 count).

How long is Minor Col 99 over Trib Rock Crek?

The structure is 22 ft (6.7 m) long with a longest span of 21 ft (6.4 m) and a deck 27 ft wide.

Who owns Minor Col 99 over Trib Rock Crek?

It is owned by the County Highway Agency.