US Bridges

W 12th ST E over Is 35

Fair

Jackson County, Missouri · S 6 T 49 N R 34 W · Structure no. 34392

Built
2013
12 years old
Condition
Fair
inspected September 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
114 ft
2 main spans
Daily traffic
9,646
2024 count
Owner
State
State Highway Agency

About this bridge

W 12th ST E over Is 35 is a prestressed concrete continuous box beam or girders - single or spread carrying W 12th ST E over Is 35 in Jackson County, Missouri. It was built in 2013, so it is 12 years old, younger than the Missouri average of 45.1 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.

It carries about 9,646 vehicles a day, roughly 5% of them trucks, projected to reach 13,022 by 2044. The structure is 114 ft (34.6 m) long and 64 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesW 12th ST E
CrossesIs 35
LocationS 6 T 49 N R 34 W
RouteCity Street 0
Coordinates39.10032, -94.59392
Functional classUrban Minor Arterial

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.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation9: Superior to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87.3 US tons
Inventory rating40.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length114 ft (34.6 m)
Longest span55 ft (16.8 m)
Deck width64 ft (19.4 m)
Roadway width56 ft (17.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,646 (2024)
Projected traffic13,022 by 2044
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was W 12th ST E over Is 35 built?

It was built in 2013, making it 12 years old in 2025.

What condition is W 12th ST E over Is 35 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 September 2023.

How much traffic does W 12th ST E over Is 35 carry?

About 9,646 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is W 12th ST E over Is 35?

The structure is 114 ft (34.6 m) long with a longest span of 55 ft (16.8 m) and a deck 64 ft wide.

Who owns W 12th ST E over Is 35?

It is owned by the State Highway Agency.