US Bridges

E 340 ST over Br of Sugar CR

PoorPosted for load

Harrison County, Missouri · S 26 T 63 N R 27 W · Structure no. 24453

Built
1930
95 years old, rebuilt 1986
Condition
Poor
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
30 ft
2 main spans
Daily traffic
20
2024 count
Owner
County
County Highway Agency

About this bridge

E 340 ST over Br of Sugar CR is a steel continuous stringer/multi-beam or girder carrying E 340 ST over Br of Sugar CR in Harrison County, Missouri. It was built in 1930 and reconstructed in 1986, so it is 95 years old, older 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 4 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. Its operating status is: posted for load restriction.

It carries about 20 vehicles a day, roughly 10% of them trucks, projected to reach 23 by 2044. The structure is 30 ft (9.1 m) long and 18 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesE 340 ST
CrossesBr of Sugar CR
LocationS 26 T 63 N R 27 W
RouteCounty Highway 494
Coordinates40.22074, -93.90994
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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
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 statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating10.9 US tons
Inventory rating7.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadOther
Structure length30 ft (9.1 m)
Longest span14 ft (4.3 m)
Deck width18 ft (5.5 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2024)
Projected traffic23 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 statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$289,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was E 340 ST over Br of Sugar CR built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1986.

What condition is E 340 ST over Br of Sugar CR 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 2024.

How much traffic does E 340 ST over Br of Sugar CR carry?

About 20 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is E 340 ST over Br of Sugar CR?

The structure is 30 ft (9.1 m) long with a longest span of 14 ft (4.3 m) and a deck 18 ft wide.

Who owns E 340 ST over Br of Sugar CR?

It is owned by the County Highway Agency.