US Bridges

Union RD over Cc RR

Good

Black Hawk County, Iowa · A53050770 · Structure no. 000000000001104

Built
1999
26 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
155 ft
3 main spans
Daily traffic
2,138
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Union RD over Cc RR is a prestressed concrete continuous stringer/multi-beam or girder carrying Union RD over Cc RR in Black Hawk County, Iowa. It was built in 1999, so it is 26 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 2,138 vehicles a day, roughly 8% of them trucks, projected to reach 2,138 by 2044. The structure is 155 ft (47.2 m) long and 39 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesUnion RD
CrossesCc RR
LocationA53050770
RouteCity Street 0
StateIowa
Coordinates42.55401, -92.49542
Functional classUrban Collector

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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating49.7 US tons
Inventory rating29.8 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length155 ft (47.2 m)
Longest span69 ft (21 m)
Deck width39 ft (11.9 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,138 (2022)
Projected traffic2,138 by 2044
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed8.1 mi (13 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Union RD over Cc RR built?

It was built in 1999, making it 26 years old in 2025.

What condition is Union RD over Cc 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 March 2024.

How much traffic does Union RD over Cc RR carry?

About 2,138 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is Union RD over Cc RR?

The structure is 155 ft (47.2 m) long with a longest span of 69 ft (21 m) and a deck 39 ft wide.

Who owns Union RD over Cc RR?

It is owned by the City or Municipal Highway Agency.