US Bridges

N Bethel RD S over Is 29 or 29

Fair

Platte County, Missouri · S 9 T 52 N R 34 W · Structure no. 2847

Built
1984
41 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
390 ft
5 main spans
Daily traffic
823
2024 count
Owner
State
State Highway Agency

About this bridge

N Bethel RD S over Is 29 or 29 is a steel continuous stringer/multi-beam or girder carrying N Bethel RD S over Is 29 or 29 in Platte County, Missouri. It was built in 1984, so it is 41 years old, younger 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 823 vehicles a day, roughly 3% of them trucks, projected to reach 1,481 by 2044. The structure is 390 ft (118.9 m) long and 46 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesN Bethel RD S
CrossesIs 29 or 29
LocationS 9 T 52 N R 34 W
RouteCity Street 0
Coordinates39.3392, -94.73292
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
Deck7 GoodSome minor problems.
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 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 geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.5 US tons
Inventory rating40.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length390 ft (118.9 m)
Longest span97 ft (29.6 m)
Deck width46 ft (13.9 m)
Roadway width43 ft (13 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic823 (2024)
Projected traffic1,481 by 2044
Trucks3%
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 N Bethel RD S over Is 29 or 29 built?

It was built in 1984, making it 41 years old in 2025.

What condition is N Bethel RD S over Is 29 or 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 N Bethel RD S over Is 29 or 29 carry?

About 823 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is N Bethel RD S over Is 29 or 29?

The structure is 390 ft (118.9 m) long with a longest span of 97 ft (29.6 m) and a deck 46 ft wide.

Who owns N Bethel RD S over Is 29 or 29?

It is owned by the State Highway Agency.