US Bridges

E 1100 RD (rs 529) over North Fork Solomon River

Fair

Phillips County, Kansas · 0.5S of Kirwin · Structure no. 000000000740020

Built
1954
71 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
323 ft
6 main spans
Daily traffic
300
2020 count
Owner
County
County Highway Agency

About this bridge

E 1100 RD (rs 529) over North Fork Solomon River is a steel continuous stringer/multi-beam or girder carrying E 1100 RD (rs 529) over North Fork Solomon River in Phillips County, Kansas. It was built in 1954, so it is 71 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 300 vehicles a day, roughly 10% of them trucks, projected to reach 360 by 2044. The structure is 323 ft (98.4 m) long and 25 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesE 1100 RD (rs 529)
CrossesNorth Fork Solomon River
Location0.5S of Kirwin
RouteCounty Highway 529
CountyPhillips County
StateKansas
Coordinates39.65834, -99.11763
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating47.5 US tons
Inventory rating28.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadH 15
Structure length323 ft (98.4 m)
Longest span56 ft (17.2 m)
Deck width25 ft (7.5 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic300 (2020)
Projected traffic360 by 2044
Trucks10%
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 statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was E 1100 RD (rs 529) over North Fork Solomon River built?

It was built in 1954, making it 71 years old in 2025.

What condition is E 1100 RD (rs 529) over North Fork Solomon River 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 February 2024.

How much traffic does E 1100 RD (rs 529) over North Fork Solomon River carry?

About 300 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is E 1100 RD (rs 529) over North Fork Solomon River?

The structure is 323 ft (98.4 m) long with a longest span of 56 ft (17.2 m) and a deck 25 ft wide.

Who owns E 1100 RD (rs 529) over North Fork Solomon River?

It is owned by the County Highway Agency.