US Bridges

E Klondike RD over Br of Thompson Rvr

Poor

Harrison County, Missouri · S 11 T 63 N R 26 W · Structure no. 23559

Built
1992
33 years old
Condition
Poor
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
40 ft
1 main span
Daily traffic
15
2024 count
Owner
County
County Highway Agency

About this bridge

E Klondike RD over Br of Thompson Rvr is a steel stringer/multi-beam or girder carrying E Klondike RD over Br of Thompson Rvr in Harrison County, Missouri. It was built in 1992, so it is 33 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 15 vehicles a day, roughly 10% of them trucks, projected to reach 17 by 2044. The structure is 40 ft (12.2 m) long and 20 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesE Klondike RD
CrossesBr of Thompson Rvr
LocationS 11 T 63 N R 26 W
RouteCounty Highway 415
Coordinates40.27639, -93.78324
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Last inspectionJanuary 2025
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating74.4 US tons
Inventory rating51.6 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length40 ft (12.2 m)
Longest span38 ft (11.6 m)
Deck width20 ft (6.1 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2024)
Projected traffic17 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$234,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was E Klondike RD over Br of Thompson Rvr built?

It was built in 1992, making it 33 years old in 2025.

What condition is E Klondike RD over Br of Thompson Rvr in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2025.

How much traffic does E Klondike RD over Br of Thompson Rvr carry?

About 15 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is E Klondike RD over Br of Thompson Rvr?

The structure is 40 ft (12.2 m) long with a longest span of 38 ft (11.6 m) and a deck 20 ft wide.

Who owns E Klondike RD over Br of Thompson Rvr?

It is owned by the County Highway Agency.