US Bridges

Wellman RD over Trib to Spring Creek

Poor

Black Hawk County, Iowa · 87-11-10-01-10 · Structure no. 000000000073750

Built
1968
57 years old
Condition
Poor
inspected November 2023
Type
Culvert
Steel
Length
38 ft
2 main spans
Daily traffic
15
2022 count
Owner
County
County Highway Agency

About this bridge

Wellman RD over Trib to Spring Creek is a steel culvert carrying Wellman RD over Trib to Spring Creek in Black Hawk County, Iowa. It was built in 1968, so it is 57 years old, older than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 15 vehicles a day, projected to reach 15 by 2043. The structure is 38 ft (11.6 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesWellman RD
CrossesTrib to Spring Creek
Location87-11-10-01-10
RouteCounty Highway 0
CountyBlack Hawk County
StateIowa
Coordinates42.36607, -92.10437
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating27 US tons
Inventory rating20 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadH 20
Structure length38 ft (11.6 m)
Longest span19 ft (5.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2022)
Projected traffic15 by 2043
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Wellman RD over Trib to Spring Creek built?

It was built in 1968, making it 57 years old in 2025.

What condition is Wellman RD over Trib to Spring Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in November 2023.

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

About 15 vehicles per day (2022 count).

How long is Wellman RD over Trib to Spring Creek?

The structure is 38 ft (11.6 m) long with a longest span of 19 ft (5.8 m).

Who owns Wellman RD over Trib to Spring Creek?

It is owned by the County Highway Agency.