US Bridges

Dean RD.12.75 over Red Rock Creek

FairPosted for load

Reno County, Kansas · 8.0E 1.0N of Arlington · Structure no. 000780745005882

Built
1972
53 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
39 ft
2 main spans
Daily traffic
9
2021 count
Owner
County
County Highway Agency

About this bridge

Dean RD.12.75 over Red Rock Creek is a wood or timber stringer/multi-beam or girder carrying Dean RD.12.75 over Red Rock Creek in Reno County, Kansas. It was built in 1972, so it is 53 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. Its operating status is: posted for load restriction.

It carries about 9 vehicles a day, roughly 5% of them trucks, projected to reach 10 by 2046. The structure is 39 ft (11.9 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesDean RD.12.75
CrossesRed Rock Creek
Location8.0E 1.0N of Arlington
RouteCounty Highway 0
CountyReno County
StateKansas
Coordinates37.90816, -98.03182
Functional classRural Local

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation2: Basically intolerable, requiring high priority of replacement
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 rating13.2 US tons
Inventory rating9.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadUnknown
Structure length39 ft (11.9 m)
Longest span19 ft (5.7 m)
Deck width24 ft (7.4 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic9 (2021)
Projected traffic10 by 2046
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$430,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Dean RD.12.75 over Red Rock Creek built?

It was built in 1972, making it 53 years old in 2025.

What condition is Dean RD.12.75 over Red Rock 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 July 2024.

How much traffic does Dean RD.12.75 over Red Rock Creek carry?

About 9 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Dean RD.12.75 over Red Rock Creek?

The structure is 39 ft (11.9 m) long with a longest span of 19 ft (5.7 m) and a deck 24 ft wide.

Who owns Dean RD.12.75 over Red Rock Creek?

It is owned by the County Highway Agency.