US Bridges

SE 40 E over Is 29

Fair

Buchanan County, Missouri · S 23 T 56 N R 35 W · Structure no. 57

Built
1958
67 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
240 ft
4 main spans
Daily traffic
190
2024 count
Owner
State
State Highway Agency

About this bridge

SE 40 E over Is 29 is a steel continuous stringer/multi-beam or girder carrying SE 40 E over Is 29 in Buchanan 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 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 190 vehicles a day, roughly 11% of them trucks, projected to reach 247 by 2044. The structure is 240 ft (73.2 m) long and 27 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesSE 40 E
CrossesIs 29
LocationS 23 T 56 N R 35 W
RouteCounty Highway 0
CountyBuchanan County
StateMissouri
Coordinates39.65202, -94.78802
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
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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating34.7 US tons
Inventory rating20.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length240 ft (73.2 m)
Longest span61 ft (18.6 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic190 (2024)
Projected traffic247 by 2044
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 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 SE 40 E over Is 29 built?

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

What condition is SE 40 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 SE 40 E over Is 29 carry?

About 190 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is SE 40 E over Is 29?

The structure is 240 ft (73.2 m) long with a longest span of 61 ft (18.6 m) and a deck 27 ft wide.

Who owns SE 40 E over Is 29?

It is owned by the State Highway Agency.