US Bridges

US 69 S over Is 35

Fair

Clinton County, Missouri · S 15 T 56 N R 30 W · Structure no. 942

Built
1963
62 years old, rebuilt 2019
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
303 ft
4 main spans
Daily traffic
1,980
2024 count
Owner
State
State Highway Agency

About this bridge

US 69 S over Is 35 is a steel continuous stringer/multi-beam or girder carrying US 69 S over Is 35 in Clinton County, Missouri. It was built in 1963 and reconstructed in 2019, so it is 62 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 1,980 vehicles a day, roughly 12% of them trucks, projected to reach 2,574 by 2044. The structure is 303 ft (92.4 m) long and 33 ft wide. If it were closed, the detour would be 29.8 mi (48 km).

CarriesUS 69 S
CrossesIs 35
LocationS 15 T 56 N R 30 W
RouteU.S. Route 69
Coordinates39.66789, -94.23567
Functional classRural Major Collector

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 inspectionOctober 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 alignment8: Equal to present desirable criteria
Operating rating39.7 US tons
Inventory rating23.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length303 ft (92.4 m)
Longest span86 ft (26.2 m)
Deck width33 ft (10 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,980 (2024)
Projected traffic2,574 by 2044
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed29.8 mi (48 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 US 69 S over Is 35 built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 2019.

What condition is US 69 S over Is 35 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 US 69 S over Is 35 carry?

About 1,980 vehicles per day (2024 count), of which roughly 12% are trucks.

How long is US 69 S over Is 35?

The structure is 303 ft (92.4 m) long with a longest span of 86 ft (26.2 m) and a deck 33 ft wide.

Who owns US 69 S over Is 35?

It is owned by the State Highway Agency.