US Bridges

1350 RD Mile 10 over Illinois Creek

Fair

Montgomery County, Kansas · 2.7N of Havana · Structure no. 000000000630200

Built
1946
79 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
154 ft
3 main spans
Daily traffic
257
2010 count
Owner
County
County Highway Agency

About this bridge

1350 RD Mile 10 over Illinois Creek is a steel continuous stringer/multi-beam or girder carrying 1350 RD Mile 10 over Illinois Creek in Montgomery County, Kansas. It was built in 1946, so it is 79 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 5 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 257 vehicles a day, roughly 3% of them trucks, projected to reach 308 by 2039. The structure is 154 ft (47 m) long and 30 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
Carries1350 RD Mile 10
CrossesIllinois Creek
Location2.7N of Havana
RouteCounty Highway 471
CountyMontgomery County
StateKansas
Coordinates37.13544, -95.93732
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.5 US tons
Inventory rating24.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length154 ft (47 m)
Longest span57 ft (17.5 m)
Deck width30 ft (9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic257 (2010)
Projected traffic308 by 2039
Trucks3%
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 statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 1350 RD Mile 10 over Illinois Creek built?

It was built in 1946, making it 79 years old in 2025.

What condition is 1350 RD Mile 10 over Illinois Creek 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 March 2023.

How much traffic does 1350 RD Mile 10 over Illinois Creek carry?

About 257 vehicles per day (2010 count), of which roughly 3% are trucks.

How long is 1350 RD Mile 10 over Illinois Creek?

The structure is 154 ft (47 m) long with a longest span of 57 ft (17.5 m) and a deck 30 ft wide.

Who owns 1350 RD Mile 10 over Illinois Creek?

It is owned by the County Highway Agency.