US Bridges

Bowling ST over Over UP RR

Fair

Linn County, Iowa · 000000000 · Structure no. 000000000001490

Built
1980
45 years old
Condition
Fair
inspected April 2023
Type
Slab
Concrete Continuous
Length
165 ft
4 main spans
Daily traffic
10,184
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Bowling ST over Over UP RR is a concrete continuous slab carrying Bowling ST over Over UP RR in Linn County, Iowa. It was built in 1980, so it is 45 years old, younger 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 5 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 10,184 vehicles a day, projected to reach 10,184 by 2043. The structure is 165 ft (50.3 m) long and 63 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesBowling ST
CrossesOver UP RR
Location000000000
RouteCity Street 0
CountyLinn County
StateIowa
Coordinates41.94233, -91.65699
Functional classUrban Minor 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating110.1 US tons
Inventory rating61.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length165 ft (50.3 m)
Longest span48 ft (14.6 m)
Deck width63 ft (19.3 m)
Roadway width51 ft (15.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,184 (2021)
Projected traffic10,184 by 2043
Trucks0%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Bowling ST over Over UP RR built?

It was built in 1980, making it 45 years old in 2025.

What condition is Bowling ST over 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 April 2023.

How much traffic does Bowling ST over Over UP RR carry?

About 10,184 vehicles per day (2021 count).

How long is Bowling ST over Over UP RR?

The structure is 165 ft (50.3 m) long with a longest span of 48 ft (14.6 m) and a deck 63 ft wide.

Who owns Bowling ST over Over UP RR?

It is owned by the City or Municipal Highway Agency.