US Bridges

Spring Creek RD over Trib to Spring Creek

Good

Black Hawk County, Iowa · 88-11-12-10-10 · Structure no. 000000000074851

Built
1985
40 years old
Condition
Good
inspected December 2023
Type
Slab
Concrete Continuous
Length
100 ft
3 main spans
Daily traffic
196
2022 count
Owner
County
County Highway Agency

About this bridge

Spring Creek RD over Trib to Spring Creek is a concrete continuous slab carrying Spring Creek RD over Trib to Spring Creek in Black Hawk County, Iowa. It was built in 1985, so it is 40 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 196 vehicles a day, roughly 6% of them trucks, projected to reach 196 by 2043. The structure is 100 ft (30.5 m) long and 33 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSpring Creek RD
CrossesTrib to Spring Creek
Location88-11-12-10-10
RouteCounty Highway 0
StateIowa
Coordinates42.44364, -92.07409
Functional classRural Local

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 protection7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.7 US tons
Inventory rating34 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length100 ft (30.5 m)
Longest span39 ft (11.9 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic196 (2022)
Projected traffic196 by 2043
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Spring Creek RD over Trib to Spring Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is Spring Creek RD over Trib to Spring 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 December 2023.

How much traffic does Spring Creek RD over Trib to Spring Creek carry?

About 196 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is Spring Creek RD over Trib to Spring Creek?

The structure is 100 ft (30.5 m) long with a longest span of 39 ft (11.9 m) and a deck 33 ft wide.

Who owns Spring Creek RD over Trib to Spring Creek?

It is owned by the County Highway Agency.