US Bridges

RD 310 (N.5-310) over Duck Creek

GoodPosted for load

Lyon County, Kansas · 2.0S 1.0W of Admire · Structure no. 000560949504920

Built
1988
37 years old
Condition
Good
inspected February 2023
Type
Slab
Concrete Continuous
Length
102 ft
3 main spans
Daily traffic
40
2007 count
Owner
County
County Highway Agency

About this bridge

RD 310 (N.5-310) over Duck Creek is a concrete continuous slab carrying RD 310 (N.5-310) over Duck Creek in Lyon 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 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 40 vehicles a day, projected to reach 40 by 2043. The structure is 102 ft (31.2 m) long and 26 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesRD 310 (N.5-310)
CrossesDuck Creek
Location2.0S 1.0W of Admire
RouteCounty Highway 0
CountyLyon County
StateKansas
Coordinates38.60783, -96.12481
Functional classRural Local

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2023
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 alignment8: Equal to present desirable criteria
Operating rating35.1 US tons
Inventory rating21.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length102 ft (31.2 m)
Longest span40 ft (12.1 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic40 (2007)
Projected traffic40 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 RD 310 (N.5-310) over Duck Creek built?

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

What condition is RD 310 (N.5-310) over Duck 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 February 2023.

How much traffic does RD 310 (N.5-310) over Duck Creek carry?

About 40 vehicles per day (2007 count).

How long is RD 310 (N.5-310) over Duck Creek?

The structure is 102 ft (31.2 m) long with a longest span of 40 ft (12.1 m) and a deck 26 ft wide.

Who owns RD 310 (N.5-310) over Duck Creek?

It is owned by the County Highway Agency.