US Bridges

Lincoln Road over Trib to Black Hawk Creek

Good

Black Hawk County, Iowa · 87-14-10-02-10 · Structure no. 000000000074601

Built
2022
3 years old
Condition
Good
inspected October 2024
Type
Slab
Steel
Length
40 ft
1 main span
Daily traffic
97
2022 count
Owner
County
County Highway Agency

About this bridge

Lincoln Road over Trib to Black Hawk Creek is a steel slab carrying Lincoln Road over Trib to Black Hawk Creek in Black Hawk County, Iowa. It was built in 2022, so it is 3 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 97 vehicles a day, projected to reach 97 by 2044. The structure is 40 ft (12.3 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesLincoln Road
CrossesTrib to Black Hawk Creek
Location87-14-10-02-10
RouteCounty Highway 0
CountyBlack Hawk County
StateIowa
Coordinates42.35593, -92.47564
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.2 US tons
Inventory rating41.1 US tons

Structure

Structure typeSlab
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length40 ft (12.3 m)
Longest span39 ft (11.9 m)
Deck width31 ft (9.3 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic97 (2022)
Projected traffic97 by 2044
Trucks0%
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 byCounty 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 Lincoln Road over Trib to Black Hawk Creek built?

It was built in 2022, making it 3 years old in 2025.

What condition is Lincoln Road over Trib to Black Hawk 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 October 2024.

How much traffic does Lincoln Road over Trib to Black Hawk Creek carry?

About 97 vehicles per day (2022 count).

How long is Lincoln Road over Trib to Black Hawk Creek?

The structure is 40 ft (12.3 m) long with a longest span of 39 ft (11.9 m) and a deck 31 ft wide.

Who owns Lincoln Road over Trib to Black Hawk Creek?

It is owned by the County Highway Agency.