US Bridges

Irving Hill Road over US40/US59 HWY

Poor

Douglas County, Kansas · 0.75 MI N K10 · Structure no. 999905900230221

Built
1966
59 years old
Condition
Poor
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
159 ft
3 main spans
Daily traffic
—
2022 count
Owner
State
State Highway Agency

About this bridge

Irving Hill Road over US40/US59 HWY is a steel continuous stringer/multi-beam or girder carrying Irving Hill Road over US40/US59 HWY in Douglas County, Kansas. It was built in 1966, so it is 59 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.

No traffic count is recorded. The structure is 159 ft (48.5 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIrving Hill Road
CrossesUS40/US59 HWY
Location0.75 MI N K10
StateKansas
Coordinates38.95333, -95.26028
Functional classUrban Local

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating37.5 US tons
Inventory rating22.5 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length159 ft (48.5 m)
Longest span82 ft (25 m)
Deck width44 ft (13.4 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic—
Projected traffic—
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Irving Hill Road over US40/US59 HWY built?

It was built in 1966, making it 59 years old in 2025.

What condition is Irving Hill Road over US40/US59 HWY 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 January 2025.

How much traffic does Irving Hill Road over US40/US59 HWY carry?

No traffic count is recorded for this structure.

How long is Irving Hill Road over US40/US59 HWY?

The structure is 159 ft (48.5 m) long with a longest span of 82 ft (25 m) and a deck 44 ft wide.

Who owns Irving Hill Road over US40/US59 HWY?

It is owned by the State Highway Agency.