US Bridges

Rs 1150 Iowa RD over Marmaton River

Good

Allen County, Kansas · 3.9E 4.5S of Moran · Structure no. 000000000010410

Built
1982
43 years old
Condition
Good
inspected January 2024
Type
Slab
Concrete Continuous
Length
142 ft
3 main spans
Daily traffic
30
2006 count
Owner
County
County Highway Agency

About this bridge

Rs 1150 Iowa RD over Marmaton River is a concrete continuous slab carrying Rs 1150 Iowa RD over Marmaton River in Allen County, Kansas. It was built in 1982, so it is 43 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 30 vehicles a day, projected to reach 43 by 2044. The structure is 142 ft (43.3 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesRs 1150 Iowa RD
CrossesMarmaton River
Location3.9E 4.5S of Moran
RouteCounty Highway 1150
StateKansas
Coordinates37.84898, -95.10082
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.5 US tons
Inventory rating33 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length142 ft (43.3 m)
Longest span56 ft (17 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic30 (2006)
Projected traffic43 by 2044
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 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 Rs 1150 Iowa RD over Marmaton River built?

It was built in 1982, making it 43 years old in 2025.

What condition is Rs 1150 Iowa RD over Marmaton River 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 January 2024.

How much traffic does Rs 1150 Iowa RD over Marmaton River carry?

About 30 vehicles per day (2006 count).

How long is Rs 1150 Iowa RD over Marmaton River?

The structure is 142 ft (43.3 m) long with a longest span of 56 ft (17 m) and a deck 28 ft wide.

Who owns Rs 1150 Iowa RD over Marmaton River?

It is owned by the County Highway Agency.