US Bridges

E 347 Ave over Br of Thompson Rvr

Fair

Harrison County, Missouri · S 24 T 65 N R 26 W · Structure no. 18934

Built
1994
31 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
55 ft
1 main span
Daily traffic
30
2024 count
Owner
County
County Highway Agency

About this bridge

E 347 Ave over Br of Thompson Rvr is a steel stringer/multi-beam or girder carrying E 347 Ave over Br of Thompson Rvr in Harrison County, Missouri. It was built in 1994, so it is 31 years old, younger 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 30 vehicles a day, roughly 10% of them trucks, projected to reach 35 by 2044. The structure is 55 ft (16.8 m) long and 16 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesE 347 Ave
CrossesBr of Thompson Rvr
LocationS 24 T 65 N R 26 W
RouteCounty Highway 205
Coordinates40.42107, -93.76896
Functional classRural Local

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating98.2 US tons
Inventory rating65.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length55 ft (16.8 m)
Longest span53 ft (16.2 m)
Deck width16 ft (4.9 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2024)
Projected traffic35 by 2044
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 E 347 Ave over Br of Thompson Rvr built?

It was built in 1994, making it 31 years old in 2025.

What condition is E 347 Ave over Br of 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 January 2024.

How much traffic does E 347 Ave over Br of Thompson Rvr carry?

About 30 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is E 347 Ave over Br of Thompson Rvr?

The structure is 55 ft (16.8 m) long with a longest span of 53 ft (16.2 m) and a deck 16 ft wide.

Who owns E 347 Ave over Br of Thompson Rvr?

It is owned by the County Highway Agency.