US Bridges

Is 35 N over SP 69 Abandoned RR

Fair

Harrison County, Missouri · S 11 T 63 N R 28 W · Structure no. 2439

Built
1972
53 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
250 ft
4 main spans
Daily traffic
7,564
2024 count
Owner
State
State Highway Agency

About this bridge

Is 35 N over SP 69 Abandoned RR is a steel continuous stringer/multi-beam or girder carrying Is 35 N over SP 69 Abandoned RR in Harrison County, Missouri. It was built in 1972, so it is 53 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 7,564 vehicles a day, roughly 52% of them trucks, projected to reach 15,884 by 2044. The structure is 250 ft (76.1 m) long and 42 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesIs 35 N
CrossesSP 69 Abandoned RR
LocationS 11 T 63 N R 28 W
RouteInterstate 35
Coordinates40.27948, -94.0123
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.5 US tons
Inventory rating33.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length250 ft (76.1 m)
Longest span70 ft (21.3 m)
Deck width42 ft (12.9 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,564 (2024)
Projected traffic15,884 by 2044
Trucks52%
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 35 N over SP 69 Abandoned RR built?

It was built in 1972, making it 53 years old in 2025.

What condition is Is 35 N over SP 69 Abandoned RR 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 2023.

How much traffic does Is 35 N over SP 69 Abandoned RR carry?

About 7,564 vehicles per day (2024 count), of which roughly 52% are trucks.

How long is Is 35 N over SP 69 Abandoned RR?

The structure is 250 ft (76.1 m) long with a longest span of 70 ft (21.3 m) and a deck 42 ft wide.

Who owns Is 35 N over SP 69 Abandoned RR?

It is owned by the State Highway Agency.