US Bridges

Spruce Ave over Burr Oak Creek

Good

Jefferson County, Iowa · 073080602 · Structure no. 000000000201831

Built
1990
35 years old
Condition
Good
inspected February 2023
Type
Culvert
Concrete Continuous
Length
29 ft
2 main spans
Daily traffic
120
2022 count
Owner
County
County Highway Agency

About this bridge

Spruce Ave over Burr Oak Creek is a concrete continuous culvert carrying Spruce Ave over Burr Oak Creek in Jefferson County, Iowa. It was built in 1990, so it is 35 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 120 vehicles a day, projected to reach 120 by 2043. The structure is 29 ft (8.8 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSpruce Ave
CrossesBurr Oak Creek
Location073080602
RouteCounty Highway 0
StateIowa
Coordinates41.15266, -91.83061
Functional classRural Major Collector

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 inspectionFebruary 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating48.6 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length29 ft (8.8 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic120 (2022)
Projected traffic120 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Spruce Ave over Burr Oak Creek built?

It was built in 1990, making it 35 years old in 2025.

What condition is Spruce Ave over Burr Oak 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 February 2023.

How much traffic does Spruce Ave over Burr Oak Creek carry?

About 120 vehicles per day (2022 count).

How long is Spruce Ave over Burr Oak Creek?

The structure is 29 ft (8.8 m) long with a longest span of 14 ft (4.3 m).

Who owns Spruce Ave over Burr Oak Creek?

It is owned by the County Highway Agency.