US Bridges

S.W. 49th. St. 285 over Trib. Shunganunga Creek

Good

Shawnee County, Kansas · 2.5N 0.5W of Montara · Structure no. 000890993304405

Built
1970
55 years old
Condition
Good
inspected August 2024
Type
Tee Beam
Prestressed Concrete
Length
35 ft
1 main span
Daily traffic
100
2024 count
Owner
County
County Highway Agency

About this bridge

S.W. 49th. St. 285 over Trib. Shunganunga Creek is a prestressed concrete tee beam carrying S.W. 49th. St. 285 over Trib. Shunganunga Creek in Shawnee County, Kansas. It was built in 1970, so it is 55 years old, older than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 100 vehicles a day, projected to reach 100 by 2040. The structure is 35 ft (10.7 m) long and 29 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesS.W. 49th. St. 285
CrossesTrib. Shunganunga Creek
Location2.5N 0.5W of Montara
RouteCounty Highway 0
StateKansas
Coordinates38.97862, -95.71811
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.5 US tons
Inventory rating32.6 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 15
Structure length35 ft (10.7 m)
Longest span34 ft (10.4 m)
Deck width29 ft (8.7 m)
Roadway width27 ft (8.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic100 (2024)
Projected traffic100 by 2040
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 S.W. 49th. St. 285 over Trib. Shunganunga Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is S.W. 49th. St. 285 over Trib. Shunganunga Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2024.

How much traffic does S.W. 49th. St. 285 over Trib. Shunganunga Creek carry?

About 100 vehicles per day (2024 count).

How long is S.W. 49th. St. 285 over Trib. Shunganunga Creek?

The structure is 35 ft (10.7 m) long with a longest span of 34 ft (10.4 m) and a deck 29 ft wide.

Who owns S.W. 49th. St. 285 over Trib. Shunganunga Creek?

It is owned by the County Highway Agency.