US Bridges

Ia 17 over UP RR & 210th ST

Good

Boone County, Iowa · 1.2 Mi. N. of US 30 · Structure no. 000000000701055

Built
2021
4 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
424 ft
4 main spans
Daily traffic
3,260
2023 count
Owner
State
State Highway Agency

About this bridge

Ia 17 over UP RR & 210th ST is a prestressed concrete stringer/multi-beam or girder carrying Ia 17 over UP RR & 210th ST in Boone County, Iowa. It was built in 2021, so it is 4 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,260 vehicles a day, roughly 15% of them trucks, projected to reach 3,260 by 2043. The structure is 424 ft (129.2 m) long and 47 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesIa 17
CrossesUP RR & 210th ST
Location1.2 Mi. N. of US 30
RouteState Highway 17
CountyBoone County
StateIowa
Coordinates42.05153, -93.81575
Functional classRural Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHL 93
Structure length424 ft (129.2 m)
Longest span136 ft (41.5 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,260 (2023)
Projected traffic3,260 by 2043
Trucks15%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ia 17 over UP RR & 210th ST built?

It was built in 2021, making it 4 years old in 2025.

What condition is Ia 17 over UP RR & 210th ST 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 March 2023.

How much traffic does Ia 17 over UP RR & 210th ST carry?

About 3,260 vehicles per day (2023 count), of which roughly 15% are trucks.

How long is Ia 17 over UP RR & 210th ST?

The structure is 424 ft (129.2 m) long with a longest span of 136 ft (41.5 m) and a deck 47 ft wide.

Who owns Ia 17 over UP RR & 210th ST?

It is owned by the State Highway Agency.