US Bridges

US 151 & Ia 13 over UP RR

Fair

Linn County, Iowa · 1.2 Mi. N of E Jct. US 30 · Structure no. 000000000033630

Built
1964
61 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
158 ft
3 main spans
Daily traffic
9,650
2022 count
Owner
State
State Highway Agency

About this bridge

US 151 & Ia 13 over UP RR is a prestressed concrete stringer/multi-beam or girder carrying US 151 & Ia 13 over UP RR in Linn County, Iowa. It was built in 1964, so it is 61 years old, older than the Iowa average of 45.5 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 9,650 vehicles a day, roughly 14% of them trucks, projected to reach 9,650 by 2043. The structure is 158 ft (48.2 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesUS 151 & Ia 13
CrossesUP RR
Location1.2 Mi. N of E Jct. US 30
RouteU.S. Route 151
CountyLinn County
StateIowa
Coordinates41.94354, -91.54536
Functional classUrban Other Principal Arterial

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.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating77.9 US tons
Inventory rating36.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length158 ft (48.2 m)
Longest span69 ft (21 m)
Deck width36 ft (11.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,650 (2022)
Projected traffic9,650 by 2043
Trucks14%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 US 151 & Ia 13 over UP RR built?

It was built in 1964, making it 61 years old in 2025.

What condition is US 151 & Ia 13 over UP RR 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 2023.

How much traffic does US 151 & Ia 13 over UP RR carry?

About 9,650 vehicles per day (2022 count), of which roughly 14% are trucks.

How long is US 151 & Ia 13 over UP RR?

The structure is 158 ft (48.2 m) long with a longest span of 69 ft (21 m) and a deck 36 ft wide.

Who owns US 151 & Ia 13 over UP RR?

It is owned by the State Highway Agency.