US Bridges

Thorn Drive over Stream

FairPosted for load

Wyandotte County, Kansas · Thorn DR N of Douglas Ave · Structure no. 514301050000359

Built
1970
55 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
43 ft
3 main spans
Daily traffic
5
2015 count
Owner
County
County Highway Agency

About this bridge

Thorn Drive over Stream is a wood or timber stringer/multi-beam or girder carrying Thorn Drive over Stream in Wyandotte 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 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 5 vehicles a day, roughly 80% of them trucks, projected to reach 100 by 2043. The structure is 43 ft (13.1 m) long and 22 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesThorn Drive
CrossesStream
LocationThorn DR N of Douglas Ave
RouteCity Street 0
CountyWyandotte County
StateKansas
Coordinates39.07369, -94.73307
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionJuly 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating30 US tons
Inventory rating22.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadHS 20
Structure length43 ft (13.1 m)
Longest span15 ft (4.5 m)
Deck width22 ft (6.6 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic5 (2015)
Projected traffic100 by 2043
Trucks80%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$356,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Thorn Drive over Stream built?

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

What condition is Thorn Drive over Stream 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 July 2024.

How much traffic does Thorn Drive over Stream carry?

About 5 vehicles per day (2015 count), of which roughly 80% are trucks.

How long is Thorn Drive over Stream?

The structure is 43 ft (13.1 m) long with a longest span of 15 ft (4.5 m) and a deck 22 ft wide.

Who owns Thorn Drive over Stream?

It is owned by the County Highway Agency.