Lincoln RD over Trib to Black Hawk Creek
FairBlack Hawk County, Iowa · 87-14-15-02-10 · Structure no. 000000000074651
- Built
- 1985
- 40 years old
- Condition
- Fair
- inspected November 2023
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 20 ft
- 1 main span
- Daily traffic
- 59
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Lincoln RD over Trib to Black Hawk Creek is a wood or timber stringer/multi-beam or girder carrying Lincoln RD over Trib to Black Hawk 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 fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 59 vehicles a day, projected to reach 59 by 2043. The structure is 20 ft (6.1 m) long and 25 ft wide. If it were closed, the detour would be 1.9 mi (3 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Lincoln RD over Trib to Black Hawk Creek built?
It was built in 1985, making it 40 years old in 2025.
What condition is Lincoln RD over Trib to Black Hawk Creek in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2023.
How much traffic does Lincoln RD over Trib to Black Hawk Creek carry?
About 59 vehicles per day (2022 count).
How long is Lincoln RD over Trib to Black Hawk Creek?
The structure is 20 ft (6.1 m) long with a longest span of 19 ft (5.8 m) and a deck 25 ft wide.
Who owns Lincoln RD over Trib to Black Hawk Creek?
It is owned by the County Highway Agency.