US Bridges

Rs 1420 H-14.3 over Iowa Creek

FairPosted for load

Washington County, Kansas · 2.3S 3.5W of Morrowville · Structure no. 000000001010710

Built
1955
70 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
30 ft
1 main span
Daily traffic
40
2014 count
Owner
County
County Highway Agency

About this bridge

Rs 1420 H-14.3 over Iowa Creek is a steel stringer/multi-beam or girder carrying Rs 1420 H-14.3 over Iowa Creek in Washington County, Kansas. It was built in 1955, so it is 70 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. Its operating status is: posted for load restriction.

It carries about 40 vehicles a day, projected to reach 48 by 2043. The structure is 30 ft (9.1 m) long and 21 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesRs 1420 H-14.3
CrossesIowa Creek
Location2.3S 3.5W of Morrowville
RouteCounty Highway 1420
CountyWashington County
StateKansas
Coordinates39.80782, -97.23768
Functional classRural Major Collector

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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating34.3 US tons
Inventory rating20.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length30 ft (9.1 m)
Longest span28 ft (8.5 m)
Deck width21 ft (6.3 m)
Roadway width20 ft (6 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic40 (2014)
Projected traffic48 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Rs 1420 H-14.3 over Iowa Creek built?

It was built in 1955, making it 70 years old in 2025.

What condition is Rs 1420 H-14.3 over Iowa 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 March 2023.

How much traffic does Rs 1420 H-14.3 over Iowa Creek carry?

About 40 vehicles per day (2014 count).

How long is Rs 1420 H-14.3 over Iowa Creek?

The structure is 30 ft (9.1 m) long with a longest span of 28 ft (8.5 m) and a deck 21 ft wide.

Who owns Rs 1420 H-14.3 over Iowa Creek?

It is owned by the County Highway Agency.