US Bridges

510th ST over Maple Creek

Good

Buena Vista County, Iowa · 092382001 · Structure no. 000000000086021

Built
2014
11 years old
Condition
Good
inspected June 2022
Type
Culvert
Concrete
Length
36 ft
2 main spans
Daily traffic
26
2022 count
Owner
County
County Highway Agency

About this bridge

510th ST over Maple Creek is a concrete culvert carrying 510th ST over Maple Creek in Buena Vista County, Iowa. It was built in 2014, so it is 11 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 26 vehicles a day, projected to reach 26 by 2043. The structure is 36 ft (11 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Carries510th ST
CrossesMaple Creek
Location092382001
RouteCounty Highway 0
StateIowa
Coordinates42.77766, -95.35827
Functional classRural 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 protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionJune 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHL 93
Structure length36 ft (11 m)
Longest span16 ft (4.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26 (2022)
Projected traffic26 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 510th ST over Maple Creek built?

It was built in 2014, making it 11 years old in 2025.

What condition is 510th ST over Maple 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 June 2022.

How much traffic does 510th ST over Maple Creek carry?

About 26 vehicles per day (2022 count).

How long is 510th ST over Maple Creek?

The structure is 36 ft (11 m) long with a longest span of 16 ft (4.9 m).

Who owns 510th ST over Maple Creek?

It is owned by the County Highway Agency.