US Bridges

County Road on Dam over Fall River Lake Spillway

Fair

Greenwood County, Kansas · 7.2-MI NW Fall River Ks · Structure no. CEPSWTKSFALLRVR

Built
1949
76 years old
Condition
Fair
inspected June 2023
Type
Girder and Floorbeam System
Concrete
Length
480 ft
8 main spans
Daily traffic
150
2023 count
Owner
Federal
Corps of Engineers (Civil)

About this bridge

County Road on Dam over Fall River Lake Spillway is a concrete girder and floorbeam system carrying County Road on Dam over Fall River Lake Spillway in Greenwood County, Kansas. It was built in 1949, so it is 76 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.

It carries about 150 vehicles a day, roughly 5% of them trucks, projected to reach 200 by 2043. The structure is 480 ft (146.3 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCounty Road on Dam
CrossesFall River Lake Spillway
Location7.2-MI NW Fall River Ks
RouteFederal Lands Road 0
StateKansas
Coordinates37.6467, -96.07093
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36.4 US tons
Inventory rating28.2 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans8
Design loadH 20
Structure length480 ft (146.3 m)
Longest span60 ft (18.2 m)
Deck width30 ft (9.1 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2023)
Projected traffic200 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRelief for waterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCorps of Engineers (Civil)
Maintained byCorps of Engineers (Civil)
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$93,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road on Dam over Fall River Lake Spillway built?

It was built in 1949, making it 76 years old in 2025.

What condition is County Road on Dam over Fall River Lake Spillway 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 June 2023.

How much traffic does County Road on Dam over Fall River Lake Spillway carry?

About 150 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is County Road on Dam over Fall River Lake Spillway?

The structure is 480 ft (146.3 m) long with a longest span of 60 ft (18.2 m) and a deck 30 ft wide.

Who owns County Road on Dam over Fall River Lake Spillway?

It is owned by the Corps of Engineers (Civil).