US Bridges

Chestnut Ave S over Is 70 Rp IS70W to Prosp

Fair

Jackson County, Missouri · S 3 T 49 N R 33 W · Structure no. 260

Built
1960
65 years old
Condition
Fair
inspected August 2023
Type
Box Beam or Girders - Single or Spread
Concrete Continuous
Length
188 ft
2 main spans
Daily traffic
1,932
2024 count
Owner
State
State Highway Agency

About this bridge

Chestnut Ave S over Is 70 Rp IS70W to Prosp is a concrete continuous box beam or girders - single or spread carrying Chestnut Ave S over Is 70 Rp IS70W to Prosp in Jackson County, Missouri. It was built in 1960, so it is 65 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 1,932 vehicles a day, roughly 5% of them trucks, projected to reach 2,705 by 2044. The structure is 188 ft (57.3 m) long and 56 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesChestnut Ave S
CrossesIs 70 Rp IS70W to Prosp
LocationS 3 T 49 N R 33 W
RouteCity Street 0
CountyJackson County
StateMissouri
Coordinates39.09704, -94.54936
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.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.6 US tons
Inventory rating29.8 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length188 ft (57.3 m)
Longest span104 ft (31.7 m)
Deck width56 ft (17.1 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,932 (2024)
Projected traffic2,705 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

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 Chestnut Ave S over Is 70 Rp IS70W to Prosp built?

It was built in 1960, making it 65 years old in 2025.

What condition is Chestnut Ave S over Is 70 Rp IS70W to Prosp 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 August 2023.

How much traffic does Chestnut Ave S over Is 70 Rp IS70W to Prosp carry?

About 1,932 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Chestnut Ave S over Is 70 Rp IS70W to Prosp?

The structure is 188 ft (57.3 m) long with a longest span of 104 ft (31.7 m) and a deck 56 ft wide.

Who owns Chestnut Ave S over Is 70 Rp IS70W to Prosp?

It is owned by the State Highway Agency.