US Bridges

Centennial Road over Drainage Channel

Good

Saline County, Kansas · 4.8 S of I-70 · Structure no. 425400854803001

Built
1955
70 years old, rebuilt 1999
Condition
Good
inspected November 2023
Type
Culvert
Concrete
Length
34 ft
4 main spans
Daily traffic
6,100
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Centennial Road over Drainage Channel is a concrete culvert carrying Centennial Road over Drainage Channel in Saline County, Kansas. It was built in 1955 and reconstructed in 1999, so it is 70 years old, older 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 6,100 vehicles a day, roughly 15% of them trucks, projected to reach 3,900 by 2043. The structure is 34 ft (10.4 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCentennial Road
CrossesDrainage Channel
Location4.8 S of I-70
RouteCity Street 4803
StateKansas
Coordinates38.80499, -97.63436
Functional classUrban Minor Arterial

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadUnknown
Structure length34 ft (10.4 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic6,100 (2023)
Projected traffic3,900 by 2043
Trucks15%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Centennial Road over Drainage Channel built?

It was built in 1955, making it 70 years old in 2025. It was reconstructed in 1999.

What condition is Centennial Road over Drainage Channel 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 2023.

How much traffic does Centennial Road over Drainage Channel carry?

About 6,100 vehicles per day (2023 count), of which roughly 15% are trucks.

How long is Centennial Road over Drainage Channel?

The structure is 34 ft (10.4 m) long with a longest span of 8 ft (2.4 m).

Who owns Centennial Road over Drainage Channel?

It is owned by the City or Municipal Highway Agency.