US Bridges

Rs 1420 H-9.0 over Gray Creek

Good

Washington County, Kansas · 3.0N 3.5W of Morrowville · Structure no. 000000001010740

Built
2007
18 years old
Condition
Good
inspected April 2023
Type
Slab
Concrete Continuous
Length
40 ft
3 main spans
Daily traffic
65
2014 count
Owner
County
County Highway Agency

About this bridge

Rs 1420 H-9.0 over Gray Creek is a concrete continuous slab carrying Rs 1420 H-9.0 over Gray Creek in Washington County, Kansas. It was built in 2007, so it is 18 years old, younger than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 65 vehicles a day, projected to reach 78 by 2043. The structure is 40 ft (12.2 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesRs 1420 H-9.0
CrossesGray Creek
Location3.0N 3.5W of Morrowville
RouteCounty Highway 1420
CountyWashington County
StateKansas
Coordinates39.8865, -97.23709
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98 US tons
Inventory rating58.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span40 ft (12.1 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic65 (2014)
Projected traffic78 by 2043
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 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-9.0 over Gray Creek built?

It was built in 2007, making it 18 years old in 2025.

What condition is Rs 1420 H-9.0 over Gray Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2023.

How much traffic does Rs 1420 H-9.0 over Gray Creek carry?

About 65 vehicles per day (2014 count).

How long is Rs 1420 H-9.0 over Gray Creek?

The structure is 40 ft (12.2 m) long with a longest span of 40 ft (12.1 m) and a deck 30 ft wide.

Who owns Rs 1420 H-9.0 over Gray Creek?

It is owned by the County Highway Agency.