US Bridges

Valley DR over Spencer Creek

Good

Scott County, Iowa · 078E50709 · Structure no. 000000000600291

Built
2012
13 years old
Condition
Good
inspected April 2023
Type
Slab
Concrete Continuous
Length
120 ft
3 main spans
Daily traffic
2,910
2022 count
Owner
County
County Highway Agency

About this bridge

Valley DR over Spencer Creek is a concrete continuous slab carrying Valley DR over Spencer Creek in Scott County, Iowa. It was built in 2012, so it is 13 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 2,910 vehicles a day, projected to reach 2,910 by 2043. The structure is 120 ft (36.6 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesValley DR
CrossesSpencer Creek
Location078E50709
RouteCounty Highway 0
StateIowa
Coordinates41.57091, -90.41933
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating57.1 US tons
Inventory rating44 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length120 ft (36.6 m)
Longest span47 ft (14.3 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,910 (2022)
Projected traffic2,910 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Valley DR over Spencer Creek built?

It was built in 2012, making it 13 years old in 2025.

What condition is Valley DR over Spencer 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 April 2023.

How much traffic does Valley DR over Spencer Creek carry?

About 2,910 vehicles per day (2022 count).

How long is Valley DR over Spencer Creek?

The structure is 120 ft (36.6 m) long with a longest span of 47 ft (14.3 m) and a deck 33 ft wide.

Who owns Valley DR over Spencer Creek?

It is owned by the County Highway Agency.