US Bridges

Murdock over Little Arkansas River

Fair

Sedgwick County, Kansas · Murdock at Waco · Structure no. 5304008700LAR30

Built
1925
100 years old, rebuilt 2005
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
245 ft
5 main spans
Daily traffic
5,900
2006 count
Owner
City
City or Municipal Highway Agency

About this bridge

Murdock over Little Arkansas River is a prestressed concrete stringer/multi-beam or girder carrying Murdock over Little Arkansas River in Sedgwick County, Kansas. It was built in 1925 and reconstructed in 2005, so it is 100 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.

It carries about 5,900 vehicles a day, roughly 5% of them trucks, projected to reach 11,000 by 2039. The structure is 245 ft (74.8 m) long and 67 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMurdock
CrossesLittle Arkansas River
LocationMurdock at Waco
RouteCity Street 0
StateKansas
Coordinates37.69748, -97.34312
Functional classUrban 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.6 US tons
Inventory rating43.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length245 ft (74.8 m)
Longest span55 ft (16.7 m)
Deck width67 ft (20.3 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic5,900 (2006)
Projected traffic11,000 by 2039
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Murdock over Little Arkansas River built?

It was built in 1925, making it 100 years old in 2025. It was reconstructed in 2005.

What condition is Murdock over Little Arkansas 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 October 2023.

How much traffic does Murdock over Little Arkansas River carry?

About 5,900 vehicles per day (2006 count), of which roughly 5% are trucks.

How long is Murdock over Little Arkansas River?

The structure is 245 ft (74.8 m) long with a longest span of 55 ft (16.7 m) and a deck 67 ft wide.

Who owns Murdock over Little Arkansas River?

It is owned by the City or Municipal Highway Agency.