US Bridges

Rp IS229S to IS29N over Is 229

Fair

Buchanan County, Missouri · S 35 T 57 N R 35 W · Structure no. 1268

Built
1965
60 years old, rebuilt 1984
Condition
Fair
inspected August 2024
Type
Box Beam or Girders - Single or Spread
Concrete Continuous
Length
259 ft
3 main spans
Daily traffic
4,187
2024 count
Owner
State
State Highway Agency

About this bridge

Rp IS229S to IS29N over Is 229 is a concrete continuous box beam or girders - single or spread carrying Rp IS229S to IS29N over Is 229 in Buchanan County, Missouri. It was built in 1965 and reconstructed in 1984, 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 4,187 vehicles a day, roughly 10% of them trucks, projected to reach 7,118 by 2044. The structure is 259 ft (78.9 m) long and 27 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesRp IS229S to IS29N
CrossesIs 229
LocationS 35 T 57 N R 35 W
RouteState Highway 0
Coordinates39.70828, -94.78955
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.5 US tons
Inventory rating40.7 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length259 ft (78.9 m)
Longest span105 ft (32.1 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,187 (2024)
Projected traffic7,118 by 2044
Trucks10%
Lanes on structure1
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

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 Rp IS229S to IS29N over Is 229 built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 1984.

What condition is Rp IS229S to IS29N over Is 229 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 Rp IS229S to IS29N over Is 229 carry?

About 4,187 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Rp IS229S to IS29N over Is 229?

The structure is 259 ft (78.9 m) long with a longest span of 105 ft (32.1 m) and a deck 27 ft wide.

Who owns Rp IS229S to IS29N over Is 229?

It is owned by the State Highway Agency.