US Bridges

Old K-18 Rs 2121 over Mcdowell Creek

GoodPosted for load

Geary County, Kansas · 0.5N 11.4E Junction City · Structure no. 000000000310025

Built
1984
41 years old
Condition
Good
inspected December 2024
Type
Tee Beam
Prestressed Concrete Continuous
Length
106 ft
2 main spans
Daily traffic
56
2004 count
Owner
County
County Highway Agency

About this bridge

Old K-18 Rs 2121 over Mcdowell Creek is a prestressed concrete continuous tee beam carrying Old K-18 Rs 2121 over Mcdowell Creek in Geary County, Kansas. It was built in 1984, so it is 41 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. Its operating status is: posted for load restriction.

It carries about 56 vehicles a day, projected to reach 60 by 2039. The structure is 106 ft (32.3 m) long and 28 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesOld K-18 Rs 2121
CrossesMcdowell Creek
Location0.5N 11.4E Junction City
RouteCounty Highway 2121
StateKansas
Coordinates39.03694, -96.61861
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating20 US tons
Inventory rating20 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans2
Design loadH 20
Structure length106 ft (32.3 m)
Longest span52 ft (15.7 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic56 (2004)
Projected traffic60 by 2039
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 Old K-18 Rs 2121 over Mcdowell Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is Old K-18 Rs 2121 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 Old K-18 Rs 2121 over Mcdowell Creek carry?

About 56 vehicles per day (2004 count).

How long is Old K-18 Rs 2121 over Mcdowell Creek?

The structure is 106 ft (32.3 m) long with a longest span of 52 ft (15.7 m) and a deck 28 ft wide.

Who owns Old K-18 Rs 2121 over Mcdowell Creek?

It is owned by the County Highway Agency.