US Bridges

Rp IS35N to IS670W over Is 670

Fair

Jackson County, Missouri · S 5 T 49 N R 33 W · Structure no. 906

Built
1967
58 years old, rebuilt 1992
Condition
Fair
inspected September 2023
Type
Box Beam or Girders - Single or Spread
Concrete Continuous
Length
277 ft
4 main spans
Daily traffic
3,996
2024 count
Owner
State
State Highway Agency

About this bridge

Rp IS35N to IS670W over Is 670 is a concrete continuous box beam or girders - single or spread carrying Rp IS35N to IS670W over Is 670 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 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 3,996 vehicles a day, roughly 19% of them trucks, projected to reach 5,395 by 2044. The structure is 277 ft (84.4 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesRp IS35N to IS670W
CrossesIs 670
LocationS 5 T 49 N R 33 W
RouteState Highway 0
CountyJackson County
StateMissouri
Coordinates39.09613, -94.59081
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85.3 US tons
Inventory rating50.6 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length277 ft (84.4 m)
Longest span82 ft (25.1 m)
Deck width24 ft (7.4 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deck15 ft (4.6 m)

Traffic and service

Average daily traffic3,996 (2024)
Projected traffic5,395 by 2044
Trucks19%
Lanes on structure1
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Rp IS35N to IS670W over Is 670 built?

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

What condition is Rp IS35N to IS670W over Is 670 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 Rp IS35N to IS670W over Is 670 carry?

About 3,996 vehicles per day (2024 count), of which roughly 19% are trucks.

How long is Rp IS35N to IS670W over Is 670?

The structure is 277 ft (84.4 m) long with a longest span of 82 ft (25.1 m) and a deck 24 ft wide.

Who owns Rp IS35N to IS670W over Is 670?

It is owned by the State Highway Agency.