US Bridges

290th ST over Brushy Creek

Good

Webster County, Iowa · 087271001 · Structure no. 000000000341891

Built
2000
25 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
189 ft
3 main spans
Daily traffic
409
2022 count
Owner
County
County Highway Agency

About this bridge

290th ST over Brushy Creek is a prestressed concrete stringer/multi-beam or girder carrying 290th ST over Brushy Creek in Webster County, Iowa. It was built in 2000, so it is 25 years old, younger than the Iowa average of 45.5 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 409 vehicles a day, roughly 14% of them trucks, projected to reach 409 by 2043. The structure is 189 ft (57.6 m) long and 33 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Carries290th ST
CrossesBrushy Creek
Location087271001
RouteCounty Highway 0
StateIowa
Coordinates42.36853, -93.97307
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 48 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 rating81.9 US tons
Inventory rating45.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length189 ft (57.6 m)
Longest span68 ft (20.7 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic409 (2022)
Projected traffic409 by 2043
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$30,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 290th ST over Brushy Creek built?

It was built in 2000, making it 25 years old in 2025.

What condition is 290th ST over Brushy 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 November 2023.

How much traffic does 290th ST over Brushy Creek carry?

About 409 vehicles per day (2022 count), of which roughly 14% are trucks.

How long is 290th ST over Brushy Creek?

The structure is 189 ft (57.6 m) long with a longest span of 68 ft (20.7 m) and a deck 33 ft wide.

Who owns 290th ST over Brushy Creek?

It is owned by the County Highway Agency.