US Bridges

40th RD S.1-31.5T over Mcdowell Creek

Good

Riley County, Kansas · 0.5S 4.3E of Ogden · Structure no. 000810897104231

Built
2014
11 years old
Condition
Good
inspected December 2024
Type
Slab
Concrete Continuous
Length
163 ft
3 main spans
Daily traffic
30
2010 count
Owner
County
County Highway Agency

About this bridge

40th RD S.1-31.5T over Mcdowell Creek is a concrete continuous slab carrying 40th RD S.1-31.5T over Mcdowell Creek in Riley County, Kansas. It was built in 2014, so it is 11 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 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 30 vehicles a day, projected to reach 50 by 2044. The structure is 163 ft (49.6 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
Carries40th RD S.1-31.5T
CrossesMcdowell Creek
Location0.5S 4.3E of Ogden
RouteCounty Highway 8125
CountyRiley County
StateKansas
Coordinates39.1095, -96.63374
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.6 US tons
Inventory rating52.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length163 ft (49.6 m)
Longest span64 ft (19.5 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic30 (2010)
Projected traffic50 by 2044
Trucks0%
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

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 40th RD S.1-31.5T over Mcdowell Creek built?

It was built in 2014, making it 11 years old in 2025.

What condition is 40th RD S.1-31.5T over Mcdowell Creek 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 40th RD S.1-31.5T over Mcdowell Creek carry?

About 30 vehicles per day (2010 count).

How long is 40th RD S.1-31.5T over Mcdowell Creek?

The structure is 163 ft (49.6 m) long with a longest span of 64 ft (19.5 m) and a deck 30 ft wide.

Who owns 40th RD S.1-31.5T over Mcdowell Creek?

It is owned by the County Highway Agency.