US Bridges

Burton Ave over Stream

Good

Black Hawk County, Iowa · City Culvert No. 42C · Structure no. 000000000503736

Built
1988
37 years old
Condition
Good
inspected June 2023
Type
Culvert
Concrete Continuous
Length
38 ft
3 main spans
Daily traffic
66
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Burton Ave over Stream is a concrete continuous culvert carrying Burton Ave over Stream in Black Hawk County, Iowa. It was built in 1988, so it is 37 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 66 vehicles a day, projected to reach 66 by 2043. The structure is 38 ft (11.6 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesBurton Ave
CrossesStream
LocationCity Culvert No. 42C
RouteCity Street 0
CountyBlack Hawk County
StateIowa
Coordinates42.5621, -92.35704
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length38 ft (11.6 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic66 (2022)
Projected traffic66 by 2043
Trucks0%
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Burton Ave over Stream built?

It was built in 1988, making it 37 years old in 2025.

What condition is Burton Ave over Stream 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 June 2023.

How much traffic does Burton Ave over Stream carry?

About 66 vehicles per day (2022 count).

How long is Burton Ave over Stream?

The structure is 38 ft (11.6 m) long with a longest span of 12 ft (3.7 m).

Who owns Burton Ave over Stream?

It is owned by the City or Municipal Highway Agency.