US Bridges

RD 120 951.6-530 over Coal Creek

GoodPosted for load

Lyon County, Kansas · 3.0E 4.5N of Olpe · Structure no. 000560951605300

Built
1974
51 years old
Condition
Good
inspected February 2023
Type
Culvert
Concrete
Length
22 ft
1 main span
Daily traffic
80
2007 count
Owner
County
County Highway Agency

About this bridge

RD 120 951.6-530 over Coal Creek is a concrete culvert carrying RD 120 951.6-530 over Coal Creek in Lyon County, Kansas. It was built in 1974, so it is 51 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 80 vehicles a day, projected to reach 80 by 2043. The structure is 22 ft (6.7 m) long and 38 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesRD 120 951.6-530
CrossesCoal Creek
Location3.0E 4.5N of Olpe
RouteCounty Highway 5625
StateKansas
Coordinates38.33236, -96.10639
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating63.7 US tons
Inventory rating38.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 15
Structure length22 ft (6.7 m)
Longest span20 ft (6.2 m)
Deck width38 ft (11.6 m)
Roadway width36 ft (11 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic80 (2007)
Projected traffic80 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 120 951.6-530 over Coal Creek built?

It was built in 1974, making it 51 years old in 2025.

What condition is RD 120 951.6-530 over Coal 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 120 951.6-530 over Coal Creek carry?

About 80 vehicles per day (2007 count).

How long is RD 120 951.6-530 over Coal Creek?

The structure is 22 ft (6.7 m) long with a longest span of 20 ft (6.2 m) and a deck 38 ft wide.

Who owns RD 120 951.6-530 over Coal Creek?

It is owned by the County Highway Agency.