US Bridges

N 51st Ave East over Burr Oak Creek

Good

Jasper County, Iowa · 080181503 · Structure no. 000000000197771

Built
2020
5 years old
Condition
Good
inspected May 2023
Type
Slab
Steel
Length
52 ft
1 main span
Daily traffic
30
2022 count
Owner
County
County Highway Agency

About this bridge

N 51st Ave East over Burr Oak Creek is a steel slab carrying N 51st Ave East over Burr Oak Creek in Jasper County, Iowa. It was built in 2020, so it is 5 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 30 vehicles a day, projected to reach 30 by 2043. The structure is 52 ft (15.9 m) long and 25 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesN 51st Ave East
CrossesBurr Oak Creek
Location080181503
RouteCounty Highway 0
CountyJasper County
StateIowa
Coordinates41.74621, -92.92963
Functional classRural Minor Collector

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 inspectionMay 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating60.3 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length52 ft (15.9 m)
Longest span50 ft (15.2 m)
Deck width25 ft (7.6 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2022)
Projected traffic30 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

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 N 51st Ave East over Burr Oak Creek built?

It was built in 2020, making it 5 years old in 2025.

What condition is N 51st Ave East 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 May 2023.

How much traffic does N 51st Ave East over Burr Oak Creek carry?

About 30 vehicles per day (2022 count).

How long is N 51st Ave East over Burr Oak Creek?

The structure is 52 ft (15.9 m) long with a longest span of 50 ft (15.2 m) and a deck 25 ft wide.

Who owns N 51st Ave East over Burr Oak Creek?

It is owned by the County Highway Agency.