US Bridges

29020 428 Ave. over Dawson Creek

Fair

Hutchinson County, South Dakota · 4.2S 2.2E of Olivet · Structure no. 000000034242222

Built
1984
41 years old
Condition
Fair
inspected May 2024
Type
Tee Beam
Prestressed Concrete
Length
45 ft
1 main span
Daily traffic
175
2022 count
Owner
County
County Highway Agency

About this bridge

29020 428 Ave. over Dawson Creek is a prestressed concrete tee beam carrying 29020 428 Ave. over Dawson Creek in Hutchinson County, South Dakota. It was built in 1984, so it is 41 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 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 175 vehicles a day, roughly 2% of them trucks, projected to reach 175 by 2032. The structure is 45 ft (13.7 m) long and 31 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Carries29020 428 Ave.
CrossesDawson Creek
Location4.2S 2.2E of Olivet
RouteCounty Highway 0
Coordinates43.1806, -97.63407
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating21.1 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length45 ft (13.7 m)
Longest span44 ft (13.5 m)
Deck width31 ft (9.4 m)
Roadway width29 ft (8.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic175 (2022)
Projected traffic175 by 2032
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 29020 428 Ave. over Dawson Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is 29020 428 Ave. over Dawson 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 May 2024.

How much traffic does 29020 428 Ave. over Dawson Creek carry?

About 175 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 29020 428 Ave. over Dawson Creek?

The structure is 45 ft (13.7 m) long with a longest span of 44 ft (13.5 m) and a deck 31 ft wide.

Who owns 29020 428 Ave. over Dawson Creek?

It is owned by the County Highway Agency.