US Bridges

Is 35 N over Is 670 Rp IS35N to IS67

Fair

Jackson County, Missouri · S 5 T 49 N R 33 W · Structure no. 909

Built
1967
58 years old, rebuilt 1992
Condition
Fair
inspected September 2023
Type
Box Beam or Girders - Single or Spread
Concrete Continuous
Length
464 ft
5 main spans
Daily traffic
63,042
2024 count
Owner
State
State Highway Agency

About this bridge

Is 35 N over Is 670 Rp IS35N to IS67 is a concrete continuous box beam or girders - single or spread carrying Is 35 N over Is 670 Rp IS35N to IS67 in Jackson County, Missouri. It was built in 1967 and reconstructed in 1992, so it is 58 years old, older 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 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 63,042 vehicles a day, roughly 18% of them trucks, projected to reach 85,107 by 2044. The structure is 464 ft (141.4 m) long and 34 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesIs 35 N
CrossesIs 670 Rp IS35N to IS67
LocationS 5 T 49 N R 33 W
RouteInterstate 35
CountyJackson County
StateMissouri
Coordinates39.09644, -94.59111
Functional classUrban Principal Arterial - Interstate

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.
Last inspectionSeptember 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 alignment8: Equal to present desirable criteria
Operating rating70.4 US tons
Inventory rating42.7 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length464 ft (141.4 m)
Longest span111 ft (33.7 m)
Deck width34 ft (10.4 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic63,042 (2024)
Projected traffic85,107 by 2044
Trucks18%
Lanes on structure2
Traffic directionOne-way traffic
CarriesFourth level (interchange)
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$3 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Is 35 N over Is 670 Rp IS35N to IS67 built?

It was built in 1967, making it 58 years old in 2025. It was reconstructed in 1992.

What condition is Is 35 N over Is 670 Rp IS35N to IS67 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 Is 35 N over Is 670 Rp IS35N to IS67 carry?

About 63,042 vehicles per day (2024 count), of which roughly 18% are trucks.

How long is Is 35 N over Is 670 Rp IS35N to IS67?

The structure is 464 ft (141.4 m) long with a longest span of 111 ft (33.7 m) and a deck 34 ft wide.

Who owns Is 35 N over Is 670 Rp IS35N to IS67?

It is owned by the State Highway Agency.