US Bridges

Rt N E over Thompson Rvr

Fair

Harrison County, Missouri · S 14 T 65 N R 26 W · Structure no. 1173

Built
1964
61 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
483 ft
3 main spans
Daily traffic
586
2024 count
Owner
State
State Highway Agency

About this bridge

Rt N E over Thompson Rvr is a steel continuous stringer/multi-beam or girder carrying Rt N E over Thompson Rvr in Harrison County, Missouri. It was built in 1964, so it is 61 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 586 vehicles a day, roughly 22% of them trucks, projected to reach 762 by 2044. The structure is 483 ft (147.2 m) long and 30 ft wide. If it were closed, the detour would be 21.7 mi (35 km).

CarriesRt N E
CrossesThompson Rvr
LocationS 14 T 65 N R 26 W
RouteState Highway 0N
Coordinates40.43531, -93.78926
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
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.6 US tons
Inventory rating28.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+2 approach)
Design loadH 20
Structure length483 ft (147.2 m)
Longest span150 ft (45.7 m)
Deck width30 ft (9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic586 (2024)
Projected traffic762 by 2044
Trucks22%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.7 mi (35 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Rt N E over Thompson Rvr built?

It was built in 1964, making it 61 years old in 2025.

What condition is Rt N E over Thompson 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 June 2024.

How much traffic does Rt N E over Thompson Rvr carry?

About 586 vehicles per day (2024 count), of which roughly 22% are trucks.

How long is Rt N E over Thompson Rvr?

The structure is 483 ft (147.2 m) long with a longest span of 150 ft (45.7 m) and a deck 30 ft wide.

Who owns Rt N E over Thompson Rvr?

It is owned by the State Highway Agency.