US Bridges

New Market RD E over Is 29

Fair

Platte County, Missouri · S 12 T 54 N R 35 W · Structure no. 83

Built
1958
67 years old
Condition
Fair
inspected October 2024
Type
Slab
Concrete Continuous
Length
207 ft
4 main spans
Daily traffic
558
2024 count
Owner
State
State Highway Agency

About this bridge

New Market RD E over Is 29 is a concrete continuous slab carrying New Market RD E over Is 29 in Platte County, Missouri. It was built in 1958, so it is 67 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 558 vehicles a day, roughly 12% of them trucks, projected to reach 1,004 by 2044. The structure is 207 ft (63.1 m) long and 27 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesNew Market RD E
CrossesIs 29
LocationS 12 T 54 N R 35 W
RouteCounty Highway 0
CountyPlatte County
StateMissouri
Coordinates39.49854, -94.78627
Functional classRural 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
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 rating48.6 US tons
Inventory rating24.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length207 ft (63.1 m)
Longest span56 ft (17.1 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic558 (2024)
Projected traffic1,004 by 2044
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.2 mi (10 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 New Market RD E over Is 29 built?

It was built in 1958, making it 67 years old in 2025.

What condition is New Market RD E over Is 29 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 October 2024.

How much traffic does New Market RD E over Is 29 carry?

About 558 vehicles per day (2024 count), of which roughly 12% are trucks.

How long is New Market RD E over Is 29?

The structure is 207 ft (63.1 m) long with a longest span of 56 ft (17.1 m) and a deck 27 ft wide.

Who owns New Market RD E over Is 29?

It is owned by the State Highway Agency.