US Bridges

5100 RD Mile 7 over Big Hill Creek

Good

Montgomery County, Kansas · 4.7S 0.5W of Liberty · Structure no. 000631009007004

Built
2006
19 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
303 ft
3 main spans
Daily traffic
595
2010 count
Owner
County
County Highway Agency

About this bridge

5100 RD Mile 7 over Big Hill Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying 5100 RD Mile 7 over Big Hill Creek in Montgomery County, Kansas. It was built in 2006, so it is 19 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.

It carries about 595 vehicles a day, roughly 3% of them trucks, projected to reach 720 by 2039. The structure is 303 ft (92.5 m) long and 30 ft wide. If it were closed, the detour would be 5 mi (8 km).

Carries5100 RD Mile 7
CrossesBig Hill Creek
Location4.7S 0.5W of Liberty
RouteCounty Highway 2411
StateKansas
Coordinates37.08773, -95.6018
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
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 rating65.1 US tons
Inventory rating39.1 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length303 ft (92.5 m)
Longest span100 ft (30.4 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 traffic595 (2010)
Projected traffic720 by 2039
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 5100 RD Mile 7 over Big Hill Creek built?

It was built in 2006, making it 19 years old in 2025.

What condition is 5100 RD Mile 7 over Big Hill 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 March 2023.

How much traffic does 5100 RD Mile 7 over Big Hill Creek carry?

About 595 vehicles per day (2010 count), of which roughly 3% are trucks.

How long is 5100 RD Mile 7 over Big Hill Creek?

The structure is 303 ft (92.5 m) long with a longest span of 100 ft (30.4 m) and a deck 30 ft wide.

Who owns 5100 RD Mile 7 over Big Hill Creek?

It is owned by the County Highway Agency.