US Bridges

Is 29 N over Rp IS29N to IS229S US 5

Fair

Andrew County, Missouri · S 32 T 59 N R 35 W · Structure no. 989

Built
1965
60 years old, rebuilt 1986
Condition
Fair
inspected September 2024
Type
Slab
Concrete Continuous
Length
224 ft
4 main spans
Daily traffic
12,803
2024 count
Owner
State
State Highway Agency

About this bridge

Is 29 N over Rp IS29N to IS229S US 5 is a concrete continuous slab carrying Is 29 N over Rp IS29N to IS229S US 5 in Andrew County, Missouri. It was built in 1965 and reconstructed in 1986, 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 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 12,803 vehicles a day, roughly 36% of them trucks, projected to reach 26,886 by 2044. The structure is 224 ft (68.3 m) long and 49 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesIs 29 N
CrossesRp IS29N to IS229S US 5
LocationS 32 T 59 N R 35 W
RouteInterstate 29
Coordinates39.88729, -94.85787
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
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 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 rating61.5 US tons
Inventory rating36.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length224 ft (68.3 m)
Longest span65 ft (19.8 m)
Deck width49 ft (14.9 m)
Roadway width47 ft (14.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,803 (2024)
Projected traffic26,886 by 2044
Trucks36%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Is 29 N over Rp IS29N to IS229S US 5 built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 1986.

What condition is Is 29 N over Rp IS29N to IS229S US 5 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 September 2024.

How much traffic does Is 29 N over Rp IS29N to IS229S US 5 carry?

About 12,803 vehicles per day (2024 count), of which roughly 36% are trucks.

How long is Is 29 N over Rp IS29N to IS229S US 5?

The structure is 224 ft (68.3 m) long with a longest span of 65 ft (19.8 m) and a deck 49 ft wide.

Who owns Is 29 N over Rp IS29N to IS229S US 5?

It is owned by the State Highway Agency.