US Bridges

Shaffer Rd. 311 over Little Muddy Creek

FairPosted for load

Shawnee County, Kansas · 0.1S of N.E. 46th. St. · Structure no. 000891005004201

Built
1910
115 years old, rebuilt 1976
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
23 ft
2 main spans
Daily traffic
10
2024 count
Owner
County
County Highway Agency

About this bridge

Shaffer Rd. 311 over Little Muddy Creek is a steel stringer/multi-beam or girder carrying Shaffer Rd. 311 over Little Muddy Creek in Shawnee County, Kansas. It was built in 1910 and reconstructed in 1976, so it is 115 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. Its operating status is: posted for load restriction.

It carries about 10 vehicles a day, projected to reach 15 by 2040. The structure is 23 ft (6.9 m) long and 28 ft wide. If it were closed, the detour would be 198.8 mi (320 km).

CarriesShaffer Rd. 311
CrossesLittle Muddy Creek
Location0.1S of N.E. 46th. St.
RouteCounty Highway 0
StateKansas
Coordinates39.12893, -95.608
Functional classUrban Local

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating19.8 US tons
Inventory rating11.9 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans2
Design loadUnknown
Structure length23 ft (6.9 m)
Longest span10 ft (3 m)
Deck width28 ft (8.4 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic10 (2024)
Projected traffic15 by 2040
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed198.8 mi (320 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$375,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Shaffer Rd. 311 over Little Muddy Creek built?

It was built in 1910, making it 115 years old in 2025. It was reconstructed in 1976.

What condition is Shaffer Rd. 311 over Little Muddy 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 August 2024.

How much traffic does Shaffer Rd. 311 over Little Muddy Creek carry?

About 10 vehicles per day (2024 count).

How long is Shaffer Rd. 311 over Little Muddy Creek?

The structure is 23 ft (6.9 m) long with a longest span of 10 ft (3 m) and a deck 28 ft wide.

Who owns Shaffer Rd. 311 over Little Muddy Creek?

It is owned by the County Highway Agency.