US Bridges

Rs 4 over Middle Creek

Fair

Allen County, Kansas · 2.2E of Mildred · Structure no. 000000000010200

Built
1935
90 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
90 ft
2 main spans
Daily traffic
115
2006 count
Owner
County
County Highway Agency

About this bridge

Rs 4 over Middle Creek is a steel stringer/multi-beam or girder carrying Rs 4 over Middle Creek in Allen County, Kansas. It was built in 1935, so it is 90 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 115 vehicles a day, projected to reach 115 by 2044. The structure is 90 ft (27.4 m) long and 23 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesRs 4
CrossesMiddle Creek
Location2.2E of Mildred
RouteCounty Highway 4
StateKansas
Coordinates38.02296, -95.12961
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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no 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 alignment6: Equal to present minimum criteria
Operating rating42 US tons
Inventory rating25 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length90 ft (27.4 m)
Longest span43 ft (13.1 m)
Deck width23 ft (7.1 m)
Roadway width21 ft (6.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic115 (2006)
Projected traffic115 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 statusPossibly eligible for the National Register; requires further investigation
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$250,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Rs 4 over Middle Creek built?

It was built in 1935, making it 90 years old in 2025.

What condition is Rs 4 over Middle 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 February 2024.

How much traffic does Rs 4 over Middle Creek carry?

About 115 vehicles per day (2006 count).

How long is Rs 4 over Middle Creek?

The structure is 90 ft (27.4 m) long with a longest span of 43 ft (13.1 m) and a deck 23 ft wide.

Who owns Rs 4 over Middle Creek?

It is owned by the County Highway Agency.