US Bridges

Old HWY 18 Rs 2121 over Trib. of Poole Branch

Fair

Geary County, Kansas · 0.9S 15.4E Junction City · Structure no. 000000000310029

Built
1930
95 years old
Condition
Fair
inspected December 2024
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
56
2004 count
Owner
County
County Highway Agency

About this bridge

Old HWY 18 Rs 2121 over Trib. of Poole Branch is a concrete culvert carrying Old HWY 18 Rs 2121 over Trib. of Poole Branch in Geary County, Kansas. It was built in 1930, so it is 95 years old, older 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.

It carries about 56 vehicles a day, projected to reach 60 by 2039. The structure is 21 ft (6.4 m) long and 31 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesOld HWY 18 Rs 2121
CrossesTrib. of Poole Branch
Location0.9S 15.4E Junction City
RouteCounty Highway 2121
CountyGeary County
StateKansas
Coordinates39.01556, -96.53917
Functional classRural Major 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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length21 ft (6.4 m)
Longest span10 ft (2.9 m)
Deck width31 ft (9.6 m)
Roadway width29 ft (8.9 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 closed8.7 mi (14 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Old HWY 18 Rs 2121 over Trib. of Poole Branch built?

It was built in 1930, making it 95 years old in 2025.

What condition is Old HWY 18 Rs 2121 over Trib. of Poole Branch 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 Old HWY 18 Rs 2121 over Trib. of Poole Branch carry?

About 56 vehicles per day (2004 count).

How long is Old HWY 18 Rs 2121 over Trib. of Poole Branch?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (2.9 m) and a deck 31 ft wide.

Who owns Old HWY 18 Rs 2121 over Trib. of Poole Branch?

It is owned by the County Highway Agency.