US Bridges

Broadway ST over Deep Creek

Good

Clinton County, Iowa · 083042600 · Structure no. 000000000001851

Built
2004
21 years old
Condition
Good
inspected May 2021
Type
Slab
Concrete Continuous
Length
115 ft
3 main spans
Daily traffic
570
2022 count
Owner
County
County Highway Agency

About this bridge

Broadway ST over Deep Creek is a concrete continuous slab carrying Broadway ST over Deep Creek in Clinton County, Iowa. It was built in 2004, so it is 21 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 570 vehicles a day, roughly 9% of them trucks, projected to reach 570 by 2043. The structure is 115 ft (35.1 m) long and 41 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesBroadway ST
CrossesDeep Creek
Location083042600
RouteCity Street 0
StateIowa
Coordinates41.96202, -90.46868
Functional classRural Minor 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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating91.9 US tons
Inventory rating55.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length115 ft (35.1 m)
Longest span44 ft (13.4 m)
Deck width41 ft (12.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic570 (2022)
Projected traffic570 by 2043
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Broadway ST over Deep Creek built?

It was built in 2004, making it 21 years old in 2025.

What condition is Broadway ST over Deep Creek 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 May 2021.

How much traffic does Broadway ST over Deep Creek carry?

About 570 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is Broadway ST over Deep Creek?

The structure is 115 ft (35.1 m) long with a longest span of 44 ft (13.4 m) and a deck 41 ft wide.

Who owns Broadway ST over Deep Creek?

It is owned by the County Highway Agency and maintained by the City or Municipal Highway Agency.