US Bridges

SE 30th RD Y.9-20 over Baehr Creek

FairPosted for load

Harper County, Kansas · 2.5N 1.0W of Bluff City · Structure no. 000390757906980

Built
1974
51 years old
Condition
Fair
inspected February 2023
Type
Tee Beam
Concrete Continuous
Length
72 ft
2 main spans
Daily traffic
80
2021 count
Owner
County
County Highway Agency

About this bridge

SE 30th RD Y.9-20 over Baehr Creek is a concrete continuous tee beam carrying SE 30th RD Y.9-20 over Baehr Creek in Harper County, Kansas. It was built in 1974, so it is 51 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. Its operating status is: posted for load restriction.

It carries about 80 vehicles a day, roughly 1% of them trucks, projected to reach 80 by 2043. The structure is 72 ft (21.9 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSE 30th RD Y.9-20
CrossesBaehr Creek
Location2.5N 1.0W of Bluff City
RouteCounty Highway 0
StateKansas
Coordinates37.10994, -97.89453
Functional classRural Minor 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating15.9 US tons
Inventory rating9.5 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 15
Structure length72 ft (21.9 m)
Longest span35 ft (10.6 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic80 (2021)
Projected traffic80 by 2043
Trucks1%
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 SE 30th RD Y.9-20 over Baehr Creek built?

It was built in 1974, making it 51 years old in 2025.

What condition is SE 30th RD Y.9-20 over Baehr 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 2023.

How much traffic does SE 30th RD Y.9-20 over Baehr Creek carry?

About 80 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is SE 30th RD Y.9-20 over Baehr Creek?

The structure is 72 ft (21.9 m) long with a longest span of 35 ft (10.6 m) and a deck 30 ft wide.

Who owns SE 30th RD Y.9-20 over Baehr Creek?

It is owned by the County Highway Agency.