US Bridges

Phelps RD S over Is 70

Good

Jackson County, Missouri · S 23 T 49 N R 32 W · Structure no. 35750

Built
2018
7 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
184 ft
2 main spans
Daily traffic
4,611
2024 count
Owner
State
State Highway Agency

About this bridge

Phelps RD S over Is 70 is a prestressed concrete stringer/multi-beam or girder carrying Phelps RD S over Is 70 in Jackson County, Missouri. It was built in 2018, so it is 7 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,611 vehicles a day, roughly 4% of them trucks, projected to reach 6,455 by 2044. The structure is 184 ft (56 m) long and 41 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesPhelps RD S
CrossesIs 70
LocationS 23 T 49 N R 32 W
RouteCity Street 0
Coordinates39.04558, -94.4052
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure9 ExcellentNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81.4 US tons
Inventory rating42.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length184 ft (56 m)
Longest span90 ft (27.4 m)
Deck width41 ft (12.4 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,611 (2024)
Projected traffic6,455 by 2044
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed6.8 mi (11 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 Phelps RD S over Is 70 built?

It was built in 2018, making it 7 years old in 2025.

What condition is Phelps RD S over Is 70 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2023.

How much traffic does Phelps RD S over Is 70 carry?

About 4,611 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is Phelps RD S over Is 70?

The structure is 184 ft (56 m) long with a longest span of 90 ft (27.4 m) and a deck 41 ft wide.

Who owns Phelps RD S over Is 70?

It is owned by the State Highway Agency.