US Bridges

540th ST over Brooks Creek

Good

Buena Vista County, Iowa · 091370601 · Structure no. 000000000365561

Built
2015
10 years old
Condition
Good
inspected June 2022
Type
Stringer/Multi-beam or Girder
Concrete
Length
35 ft
1 main span
Daily traffic
30
2022 count
Owner
County
County Highway Agency

About this bridge

540th ST over Brooks Creek is a concrete stringer/multi-beam or girder carrying 540th ST over Brooks Creek in Buena Vista County, Iowa. It was built in 2015, so it is 10 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 35 ft (10.7 m) long and 29 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries540th ST
CrossesBrooks Creek
Location091370601
RouteCounty Highway 0
StateIowa
Coordinates42.73429, -95.25582
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 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
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating50.7 US tons
Inventory rating39.2 US tons

Structure

MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length35 ft (10.7 m)
Longest span33 ft (10.1 m)
Deck width29 ft (8.7 m)
Roadway width27 ft (8.2 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 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was 540th ST over Brooks Creek built?

It was built in 2015, making it 10 years old in 2025.

What condition is 540th ST over Brooks 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 540th ST over Brooks Creek carry?

About 30 vehicles per day (2022 count).

How long is 540th ST over Brooks Creek?

The structure is 35 ft (10.7 m) long with a longest span of 33 ft (10.1 m) and a deck 29 ft wide.

Who owns 540th ST over Brooks Creek?

It is owned by the County Highway Agency.