E16 D Ave over Small Stream

Good

Crawford County, Iowa · 085412101 · Structure no. 000000000130941

Built: 2024; 1 years old
Condition: Good; inspected November 2024
Type: Culvert; Concrete Continuous
Length: 23 ft; 2 main spans
Daily traffic: 639; 2023 count
Owner: County; County Highway Agency

About this bridge

E16 D Ave over Small Stream is a concrete continuous culvert carrying E16 D Ave over Small Stream in Crawford County, Iowa. It was built in 2024, so it is 1 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 639 vehicles a day, roughly 21% of them trucks, projected to reach 639 by 2043. The structure is 23 ft (7 m) long and 24 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

Location

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CarriesE16 D Ave

CrossesSmall Stream

Location085412101

RouteCounty Highway 0

CountyCrawford County

StateIowa

Coordinates42.16788, -95.62893

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.

Component	Rating	Meaning
Channel and channel protection	9 Excellent	No problems noted.
Culvert	9 Excellent	No problems noted.

Last inspectionNovember 2024

Inspection intervalevery 3 months

Operating statusOpen, no restriction

ScourFoundations stable; scour above top of footing

Structural evaluation9: Superior to present desirable criteria

Deck geometry4: Meets minimum tolerable limits to be left in place as is

Waterway adequacy7: Better than present minimum criteria

Approach roadway alignment7: Better than present minimum criteria

Operating rating92.2 US tons

Inventory rating71.1 US tons

Structure

Structure typeCulvert

MaterialConcrete Continuous

DeckNot applicable

Main spans2

Design loadHL 93

Structure length23 ft (7 m)

Longest span10 ft (3 m)

Deck width24 ft (7.3 m)

Roadway width24 ft (7.3 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic639 (2023)

Projected traffic639 by 2043

Trucks21%

Lanes on structure2

Traffic directionTwo-way traffic

CarriesHighway

CrossesWaterway

Detour if closed16.8 mi (27 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 proposedNone recorded

Estimated improvement cost—

NavigationNo navigation control on waterway

Frequently asked questions

When was E16 D Ave over Small Stream built?

It was built in 2024, making it 1 years old in 2025.

What condition is E16 D Ave over Small 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 November 2024.

How much traffic does E16 D Ave over Small Stream carry?

About 639 vehicles per day (2023 count), of which roughly 21% are trucks.

How long is E16 D Ave over Small Stream?

The structure is 23 ft (7 m) long with a longest span of 10 ft (3 m) and a deck 24 ft wide.

Who owns E16 D Ave over Small Stream?

It is owned by the County Highway Agency.