US Bridges

Silver Street over 30th Street

Fair

Wyandotte County, Kansas · Silver Ave. over 30th. ST · Structure no. 514301050000212

Built
1965
60 years old
Condition
Fair
inspected March 2023
Type
Slab
Concrete
Length
52 ft
1 main span
Daily traffic
2,115
2013 count
Owner
County
County Highway Agency

About this bridge

Silver Street over 30th Street is a concrete slab carrying Silver Street over 30th Street in Wyandotte County, Kansas. It was built in 1965, so it is 60 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.

It carries about 2,115 vehicles a day, roughly 1% of them trucks, projected to reach 3,000 by 2043. The structure is 52 ft (15.9 m) long and 37 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSilver Street
Crosses30th Street
LocationSilver Ave. over 30th. ST
RouteCity Street 0
StateKansas
Coordinates39.07258, -94.66361
Functional classUrban 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
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
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length52 ft (15.9 m)
Longest span46 ft (13.9 m)
Deck width37 ft (11.4 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deck23 ft (7.2 m)

Traffic and service

Average daily traffic2,115 (2013)
Projected traffic3,000 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$1,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Silver Street over 30th Street built?

It was built in 1965, making it 60 years old in 2025.

What condition is Silver Street over 30th Street 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 2023.

How much traffic does Silver Street over 30th Street carry?

About 2,115 vehicles per day (2013 count), of which roughly 1% are trucks.

How long is Silver Street over 30th Street?

The structure is 52 ft (15.9 m) long with a longest span of 46 ft (13.9 m) and a deck 37 ft wide.

Who owns Silver Street over 30th Street?

It is owned by the County Highway Agency.