US Bridges

Minor CC.4-31.5C over Minor Stream

FairPosted for load

Riley County, Kansas · 3.5S 0.5E of Zeandale · Structure no. 000810917404225

Built
1979
46 years old
Condition
Fair
inspected December 2024
Type
Culvert
Concrete
Length
35 ft
3 main spans
Daily traffic
15
2004 count
Owner
County
County Highway Agency

About this bridge

Minor CC.4-31.5C over Minor Stream is a concrete culvert carrying Minor CC.4-31.5C over Minor Stream in Riley County, Kansas. It was built in 1979, so it is 46 years old, younger than the Kansas average of 52.8 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. Its operating status is: posted for load restriction.

It carries about 15 vehicles a day, projected to reach 20 by 2042. The structure is 35 ft (10.7 m) long and 30 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

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CarriesMinor CC.4-31.5C
CrossesMinor Stream
Location3.5S 0.5E of Zeandale
RouteCounty Highway 8102
CountyRiley County
StateKansas
Coordinates39.10866, -96.42055
Functional classRural Minor Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating24.5 US tons
Inventory rating14.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 20
Structure length35 ft (10.7 m)
Longest span11 ft (3.4 m)
Deck width30 ft (9 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic15 (2004)
Projected traffic20 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 CC.4-31.5C over Minor Stream built?

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

What condition is Minor CC.4-31.5C over Minor Stream 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 Minor CC.4-31.5C over Minor Stream carry?

About 15 vehicles per day (2004 count).

How long is Minor CC.4-31.5C over Minor Stream?

The structure is 35 ft (10.7 m) long with a longest span of 11 ft (3.4 m) and a deck 30 ft wide.

Who owns Minor CC.4-31.5C over Minor Stream?

It is owned by the County Highway Agency.