US Bridges

Is 29 S over Rt Dd Abandoned RR Dil

Fair

Andrew County, Missouri · S 4 T 59 N R 35 W · Structure no. 1069

Built
1965
60 years old, rebuilt 1991
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
612 ft
4 main spans
Daily traffic
13,410
2024 count
Owner
State
State Highway Agency

About this bridge

Is 29 S over Rt Dd Abandoned RR Dil is a steel continuous stringer/multi-beam or girder carrying Is 29 S over Rt Dd Abandoned RR Dil in Andrew County, Missouri. It was built in 1965 and reconstructed in 1991, so it is 60 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 13,410 vehicles a day, roughly 34% of them trucks, projected to reach 28,161 by 2044. The structure is 612 ft (186.5 m) long and 34 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesIs 29 S
CrossesRt Dd Abandoned RR Dil
LocationS 4 T 59 N R 35 W
RouteInterstate 29
Coordinates39.87161, -94.83271
Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.6 US tons
Inventory rating27.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4 (+2 approach)
Design loadHS 20 + Mod
Structure length612 ft (186.5 m)
Longest span136 ft (41.4 m)
Deck width34 ft (10.5 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,410 (2024)
Projected traffic28,161 by 2044
Trucks34%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Is 29 S over Rt Dd Abandoned RR Dil built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 1991.

What condition is Is 29 S over Rt Dd Abandoned RR Dil 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 Is 29 S over Rt Dd Abandoned RR Dil carry?

About 13,410 vehicles per day (2024 count), of which roughly 34% are trucks.

How long is Is 29 S over Rt Dd Abandoned RR Dil?

The structure is 612 ft (186.5 m) long with a longest span of 136 ft (41.4 m) and a deck 34 ft wide.

Who owns Is 29 S over Rt Dd Abandoned RR Dil?

It is owned by the State Highway Agency.