US Bridges

US 151 over UP RR

Good

Linn County, Iowa · In Fairfax · Structure no. 000000000033771

Built
2020
5 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
207 ft
3 main spans
Daily traffic
7,800
2022 count
Owner
State
State Highway Agency

About this bridge

US 151 over UP RR is a prestressed concrete stringer/multi-beam or girder carrying US 151 over UP RR in Linn County, Iowa. It was built in 2020, so it is 5 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 7,800 vehicles a day, roughly 7% of them trucks, projected to reach 7,800 by 2044. The structure is 207 ft (63.1 m) long and 58 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesUS 151
CrossesUP RR
LocationIn Fairfax
RouteU.S. Route 151
StateIowa
Coordinates41.92018, -91.78375
Functional classUrban Other Principal 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 inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length207 ft (63.1 m)
Longest span204 ft (62.2 m)
Deck width58 ft (17.7 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,800 (2022)
Projected traffic7,800 by 2044
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed3.7 mi (6 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 over UP RR built?

It was built in 2020, making it 5 years old in 2025.

What condition is US 151 over UP 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 July 2024.

How much traffic does US 151 over UP RR carry?

About 7,800 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is US 151 over UP RR?

The structure is 207 ft (63.1 m) long with a longest span of 204 ft (62.2 m) and a deck 58 ft wide.

Who owns US 151 over UP RR?

It is owned by the State Highway Agency.