US Bridges

30th Road over Mulberry Creek

FairPosted for load

Ellsworth County, Kansas · 4.5E 9.0N of Carneiro · Structure no. 000270755004565

Built
1920
105 years old
Condition
Fair
inspected March 2024
Type
Truss - Thru
Steel
Length
50 ft
1 main span
Daily traffic
20
2020 count
Owner
County
County Highway Agency

About this bridge

30th Road over Mulberry Creek is a steel truss - thru carrying 30th Road over Mulberry Creek in Ellsworth County, Kansas. It was built in 1920, so it is 105 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 20 vehicles a day, roughly 5% of them trucks, projected to reach 25 by 2044. The structure is 50 ft (15.3 m) long and 16 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
Carries30th Road
CrossesMulberry Creek
Location4.5E 9.0N of Carneiro
RouteCounty Highway 0
CountyEllsworth County
StateKansas
Coordinates38.86347, -97.94725
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating6.4 US tons
Inventory rating3.7 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1
Design loadHS 20
Structure length50 ft (15.3 m)
Longest span47 ft (14.3 m)
Deck width16 ft (4.9 m)
Roadway width16 ft (4.8 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic20 (2020)
Projected traffic25 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 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 30th Road over Mulberry Creek built?

It was built in 1920, making it 105 years old in 2025.

What condition is 30th Road over Mulberry 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 March 2024.

How much traffic does 30th Road over Mulberry Creek carry?

About 20 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is 30th Road over Mulberry Creek?

The structure is 50 ft (15.3 m) long with a longest span of 47 ft (14.3 m) and a deck 16 ft wide.

Who owns 30th Road over Mulberry Creek?

It is owned by the County Highway Agency.