US Bridges

Rt H E over Is 29

Fair

Buchanan County, Missouri · S 26 T 56 N R 35 W · Structure no. 34

Built
1958
67 years old, rebuilt 2007
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
200 ft
4 main spans
Daily traffic
483
2024 count
Owner
State
State Highway Agency

About this bridge

Rt H E over Is 29 is a steel continuous stringer/multi-beam or girder carrying Rt H E over Is 29 in Buchanan County, Missouri. It was built in 1958 and reconstructed in 2007, 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 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 483 vehicles a day, roughly 10% of them trucks, projected to reach 628 by 2044. The structure is 200 ft (61 m) long and 27 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesRt H E
CrossesIs 29
LocationS 26 T 56 N R 35 W
RouteState Highway 0H
Coordinates39.63188, -94.78817
Functional classRural Minor Collector

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
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 rating44.6 US tons
Inventory rating26.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length200 ft (61 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 traffic483 (2024)
Projected traffic628 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed11.8 mi (19 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 Rt H E over Is 29 built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 2007.

What condition is Rt H 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 August 2024.

How much traffic does Rt H E over Is 29 carry?

About 483 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Rt H E over Is 29?

The structure is 200 ft (61 m) long with a longest span of 56 ft (17.1 m) and a deck 27 ft wide.

Who owns Rt H E over Is 29?

It is owned by the State Highway Agency.