US Bridges

452nd Avenue over Trib. to E Fork Verm Rv

FairPosted for load

McCook County, South Dakota · 2.4S & 1E of Montrose · Structure no. 000000044220129

Built
1925
100 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
52 ft
2 main spans
Daily traffic
66
2022 count
Owner
County
County Highway Agency

About this bridge

452nd Avenue over Trib. to E Fork Verm Rv is a steel stringer/multi-beam or girder carrying 452nd Avenue over Trib. to E Fork Verm Rv in McCook County, South Dakota. It was built in 1925, so it is 100 years old, older than the South Dakota average of 48.9 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. Its operating status is: posted for load restriction.

It carries about 66 vehicles a day, roughly 2% of them trucks, projected to reach 66 by 2032. The structure is 52 ft (15.7 m) long and 22 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Carries452nd Avenue
CrossesTrib. to E Fork Verm Rv
Location2.4S & 1E of Montrose
Coordinates43.66006, -97.16894
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
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be 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 rating23.9 US tons
Inventory rating14.3 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length52 ft (15.7 m)
Longest span23 ft (7.1 m)
Deck width22 ft (6.6 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic66 (2022)
Projected traffic66 by 2032
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 452nd Avenue over Trib. to E Fork Verm Rv built?

It was built in 1925, making it 100 years old in 2025.

What condition is 452nd Avenue over Trib. to E Fork Verm Rv 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 July 2024.

How much traffic does 452nd Avenue over Trib. to E Fork Verm Rv carry?

About 66 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 452nd Avenue over Trib. to E Fork Verm Rv?

The structure is 52 ft (15.7 m) long with a longest span of 23 ft (7.1 m) and a deck 22 ft wide.

Who owns 452nd Avenue over Trib. to E Fork Verm Rv?

It is owned by the County Highway Agency.