US Bridges

108th Street over Creek

Fair

Campbell County, South Dakota · 0.5 S & 0.3 E Herreid · Structure no. 000000011203080

Built
1971
54 years old
Condition
Fair
inspected September 2024
Type
Slab
Concrete Continuous
Length
93 ft
3 main spans
Daily traffic
288
2022 count
Owner
County
County Highway Agency

About this bridge

108th Street over Creek is a concrete continuous slab carrying 108th Street over Creek in Campbell County, South Dakota. It was built in 1971, so it is 54 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 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 288 vehicles a day, roughly 2% of them trucks, projected to reach 288 by 2032. The structure is 93 ft (28.3 m) long and 31 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Carries108th Street
CrossesCreek
Location0.5 S & 0.3 E Herreid
RouteCounty Highway 0
Coordinates45.8257, -100.06306
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.2 US tons
Inventory rating48 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length93 ft (28.3 m)
Longest span55 ft (16.8 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic288 (2022)
Projected traffic288 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 108th Street over Creek built?

It was built in 1971, making it 54 years old in 2025.

What condition is 108th Street over Creek 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 September 2024.

How much traffic does 108th Street over Creek carry?

About 288 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 108th Street over Creek?

The structure is 93 ft (28.3 m) long with a longest span of 55 ft (16.8 m) and a deck 31 ft wide.

Who owns 108th Street over Creek?

It is owned by the County Highway Agency.