US Bridges

Dd Road (east) over Bow Creek

PoorPosted for load

Graham County, Kansas · 6.0S 1.3E of Densmore · Structure no. 000330563903620

Built
1965
60 years old
Condition
Poor
inspected May 2024
Type
Tee Beam
Prestressed Concrete
Length
188 ft
5 main spans
Daily traffic
40
2020 count
Owner
County
County Highway Agency

About this bridge

Dd Road (east) over Bow Creek is a prestressed concrete tee beam carrying Dd Road (east) over Bow Creek in Graham County, Kansas. It was built in 1965, so it is 60 years old, older than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 40 vehicles a day, projected to reach 40 by 2044. The structure is 188 ft (57.3 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesDd Road (east)
CrossesBow Creek
Location6.0S 1.3E of Densmore
RouteCounty Highway 3326
CountyGraham County
StateKansas
Coordinates39.55343, -99.71595
Functional classRural Minor Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
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 rating30.8 US tons
Inventory rating26.8 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadH 15
Structure length188 ft (57.3 m)
Longest span38 ft (11.6 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic40 (2020)
Projected traffic40 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Dd Road (east) over Bow Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is Dd Road (east) over Bow Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2024.

How much traffic does Dd Road (east) over Bow Creek carry?

About 40 vehicles per day (2020 count).

How long is Dd Road (east) over Bow Creek?

The structure is 188 ft (57.3 m) long with a longest span of 38 ft (11.6 m) and a deck 24 ft wide.

Who owns Dd Road (east) over Bow Creek?

It is owned by the County Highway Agency.