US Bridges

N Ridge RD over Middle Emma Creek

Fair

Harvey County, Kansas · 4.5W 0.4S Int. K15-I135 · Structure no. 000000000400100

Built
1988
37 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
173 ft
3 main spans
Daily traffic
630
2020 count
Owner
County
County Highway Agency

About this bridge

N Ridge RD over Middle Emma Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying N Ridge RD over Middle Emma Creek in Harvey County, Kansas. It was built in 1988, so it is 37 years old, younger 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 630 vehicles a day, roughly 10% of them trucks, projected to reach 735 by 2042. The structure is 173 ft (52.7 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesN Ridge RD
CrossesMiddle Emma Creek
Location4.5W 0.4S Int. K15-I135
RouteCounty Highway 304
CountyHarvey County
StateKansas
Coordinates38.08, -97.42722
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.2 US tons
Inventory rating42.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length173 ft (52.7 m)
Longest span56 ft (17.2 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 traffic630 (2020)
Projected traffic735 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 N Ridge RD over Middle Emma Creek built?

It was built in 1988, making it 37 years old in 2025.

What condition is N Ridge RD over Middle Emma 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 April 2024.

How much traffic does N Ridge RD over Middle Emma Creek carry?

About 630 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is N Ridge RD over Middle Emma Creek?

The structure is 173 ft (52.7 m) long with a longest span of 56 ft (17.2 m) and a deck 30 ft wide.

Who owns N Ridge RD over Middle Emma Creek?

It is owned by the County Highway Agency.