US Bridges

Alert RD D.0-9.4T over Otter Creek

Fair

Riley County, Kansas · 7.8W of Randolph · Structure no. 000810867003784

Built
1920
105 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
33 ft
1 main span
Daily traffic
10
2004 count
Owner
County
County Highway Agency

About this bridge

Alert RD D.0-9.4T over Otter Creek is a concrete stringer/multi-beam or girder carrying Alert RD D.0-9.4T over Otter Creek in Riley County, Kansas. It was built in 1920, so it is 105 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 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 10 vehicles a day, projected to reach 10 by 2044. The structure is 33 ft (10.1 m) long and 19 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesAlert RD D.0-9.4T
CrossesOtter Creek
Location7.8W of Randolph
RouteCounty Highway 0
CountyRiley County
StateKansas
Coordinates39.43025, -96.90482
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating36 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length33 ft (10.1 m)
Longest span29 ft (8.8 m)
Deck width19 ft (5.8 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic10 (2004)
Projected traffic10 by 2044
Trucks0%
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 statusPossibly eligible for the National Register; requires further investigation
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$125,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Alert RD D.0-9.4T over Otter Creek built?

It was built in 1920, making it 105 years old in 2025.

What condition is Alert RD D.0-9.4T over Otter 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 December 2024.

How much traffic does Alert RD D.0-9.4T over Otter Creek carry?

About 10 vehicles per day (2004 count).

How long is Alert RD D.0-9.4T over Otter Creek?

The structure is 33 ft (10.1 m) long with a longest span of 29 ft (8.8 m) and a deck 19 ft wide.

Who owns Alert RD D.0-9.4T over Otter Creek?

It is owned by the County Highway Agency.