US Bridges

Ia 22 over Over RR Spur (dme Rr)

Good

Muscatine County, Iowa · 1.2 Mi. W of Jct. SR Y36 · Structure no. 000000000606310

Built
1996
29 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
204 ft
3 main spans
Daily traffic
1,490
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 22 over Over RR Spur (dme Rr) is a prestressed concrete stringer/multi-beam or girder carrying Ia 22 over Over RR Spur (dme Rr) in Muscatine County, Iowa. It was built in 1996, so it is 29 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 1,490 vehicles a day, roughly 19% of them trucks, projected to reach 1,490 by 2044. The structure is 204 ft (62.2 m) long and 43 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesIa 22
CrossesOver RR Spur (dme Rr)
Location1.2 Mi. W of Jct. SR Y36
RouteState Highway 22
StateIowa
Coordinates41.4613, -90.8304
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating74.5 US tons
Inventory rating44.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length204 ft (62.2 m)
Longest span82 ft (25 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,490 (2022)
Projected traffic1,490 by 2044
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed6.2 mi (10 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 22 over Over RR Spur (dme Rr) built?

It was built in 1996, making it 29 years old in 2025.

What condition is Ia 22 over Over RR Spur (dme Rr) 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 June 2024.

How much traffic does Ia 22 over Over RR Spur (dme Rr) carry?

About 1,490 vehicles per day (2022 count), of which roughly 19% are trucks.

How long is Ia 22 over Over RR Spur (dme Rr)?

The structure is 204 ft (62.2 m) long with a longest span of 82 ft (25 m) and a deck 43 ft wide.

Who owns Ia 22 over Over RR Spur (dme Rr)?

It is owned by the State Highway Agency.