US Bridges

30th Rd. over Sand Creek

Fair

Rice County, Kansas · 1.4N 14.5E of Sterling · Structure no. 000800755005421

Built
1977
48 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
80 ft
4 main spans
Daily traffic
10
2021 count
Owner
County
County Highway Agency

About this bridge

30th Rd. over Sand Creek is a steel continuous stringer/multi-beam or girder carrying 30th Rd. over Sand Creek in Rice County, Kansas. It was built in 1977, so it is 48 years old, younger 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 10 vehicles a day, roughly 5% of them trucks, projected to reach 15 by 2044. The structure is 80 ft (24.5 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries30th Rd.
CrossesSand Creek
Location1.4N 14.5E of Sterling
RouteCounty Highway 0
StateKansas
Coordinates38.24408, -97.93894
Functional classRural 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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating39.7 US tons
Inventory rating23.6 US tons

Structure

MaterialSteel Continuous
DeckCorrugated steel
Main spans4
Design loadUnknown
Structure length80 ft (24.5 m)
Longest span20 ft (6 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic10 (2021)
Projected traffic15 by 2044
Trucks5%
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 30th Rd. over Sand Creek built?

It was built in 1977, making it 48 years old in 2025.

What condition is 30th Rd. over Sand 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 June 2024.

How much traffic does 30th Rd. over Sand Creek carry?

About 10 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is 30th Rd. over Sand Creek?

The structure is 80 ft (24.5 m) long with a longest span of 20 ft (6 m) and a deck 24 ft wide.

Who owns 30th Rd. over Sand Creek?

It is owned by the County Highway Agency.