US Bridges

Is 35 N over Grand Rvr

Fair

Daviess County, Missouri · S 12 T 60 N R 29 W · Structure no. 1453

Built
1976
49 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
1,335 ft
12 main spans
Daily traffic
7,902
2024 count
Owner
State
State Highway Agency

About this bridge

Is 35 N over Grand Rvr is a prestressed concrete continuous stringer/multi-beam or girder carrying Is 35 N over Grand Rvr in Daviess County, Missouri. It was built in 1976, so it is 49 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 7,902 vehicles a day, roughly 26% of them trucks, projected to reach 16,594 by 2044. The structure is 1,335 ft (406.9 m) long and 43 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesIs 35 N
CrossesGrand Rvr
LocationS 12 T 60 N R 29 W
RouteInterstate 35
Coordinates40.02403, -94.09559
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.5 US tons
Inventory rating34.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans12 (+3 approach)
Design loadHS 20 + Mod
Structure length1,335 ft (406.9 m)
Longest span170 ft (51.8 m)
Deck width43 ft (13 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,902 (2024)
Projected traffic16,594 by 2044
Trucks26%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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 35 N over Grand Rvr built?

It was built in 1976, making it 49 years old in 2025.

What condition is Is 35 N over Grand Rvr 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 35 N over Grand Rvr carry?

About 7,902 vehicles per day (2024 count), of which roughly 26% are trucks.

How long is Is 35 N over Grand Rvr?

The structure is 1,335 ft (406.9 m) long with a longest span of 170 ft (51.8 m) and a deck 43 ft wide.

Who owns Is 35 N over Grand Rvr?

It is owned by the State Highway Agency.