US Bridges

145th Street over Creek

Good

Brown County, South Dakota · 3N & 0.1W of Verdon · Structure no. 000000007299450

Built
2015
10 years old
Condition
Good
inspected July 2024
Type
Culvert
Steel
Length
29 ft
4 main spans
Daily traffic
98
2022 count
Owner
County
County Highway Agency

About this bridge

145th Street over Creek is a steel culvert carrying 145th Street over Creek in Brown County, South Dakota. It was built in 2015, so it is 10 years old, younger than the South Dakota average of 48.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 98 vehicles a day, roughly 2% of them trucks, projected to reach 98 by 2032. The structure is 29 ft (8.8 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Carries145th Street
CrossesCreek
Location3N & 0.1W of Verdon
Coordinates45.28399, -98.10567
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating105.4 US tons
Inventory rating81.4 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans4
Design loadUnknown
Structure length29 ft (8.8 m)
Longest span6 ft (1.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic98 (2022)
Projected traffic98 by 2032
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 145th Street over Creek built?

It was built in 2015, making it 10 years old in 2025.

What condition is 145th Street over Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2024.

How much traffic does 145th Street over Creek carry?

About 98 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 145th Street over Creek?

The structure is 29 ft (8.8 m) long with a longest span of 6 ft (1.8 m).

Who owns 145th Street over Creek?

It is owned by the County Highway Agency.