Smith Street over Bear Creek

Good

Benton County, Iowa · Smith Street · Structure no. 000000000505730

Built: 2023; 2 years old
Condition: Good; inspected December 2023
Type: Slab; Concrete Continuous
Length: 181 ft; 4 main spans
Daily traffic: 1,210; 2022 count
Owner: City; City or Municipal Highway Agency

About this bridge

Smith Street over Bear Creek is a concrete continuous slab carrying Smith Street over Bear Creek in Benton County, Iowa. It was built in 2023, so it is 2 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 1,210 vehicles a day, projected to reach 1,210 by 2042. The structure is 181 ft (55.2 m) long and 30 ft wide.

Location

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CarriesSmith Street

CrossesBear Creek

LocationSmith Street

RouteCity Street 0

CountyBenton County

StateIowa

Coordinates42.0928, -91.86934

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
Deck	8 Very Good	No problems noted.
Superstructure	8 Very Good	No problems noted.
Substructure	8 Very Good	No problems noted.
Channel and channel protection	8 Very Good	No problems noted.

Last inspectionDecember 2023

Inspection intervalevery 24 months

Operating statusOpen, no restriction

ScourFoundations stable; scour within limits of footing or piles

Structural evaluation8: Equal to present desirable criteria

Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is

Waterway adequacy9: Superior to present desirable criteria

Approach roadway alignment8: Equal to present desirable criteria

Operating rating65.7 US tons

Inventory rating50.7 US tons

Structure

Structure typeSlab

MaterialConcrete Continuous

DeckConcrete, cast-in-place

Main spans4

Design loadHL 93

Structure length181 ft (55.2 m)

Longest span51 ft (15.5 m)

Deck width30 ft (9.1 m)

Roadway width30 ft (9.1 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,210 (2022)

Projected traffic1,210 by 2042

Trucks0%

Lanes on structure2

Traffic directionTwo-way traffic

CarriesHighway

CrossesWaterway

Detour if closed—

TollOn a free road

National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency

Maintained byCounty Highway Agency

Historic statusNot eligible for the National Register of Historic Places

Work proposedNone recorded

Estimated improvement cost—

NavigationNot applicable (no waterway)

Frequently asked questions

When was Smith Street over Bear Creek built?

It was built in 2023, making it 2 years old in 2025.

What condition is Smith Street over Bear 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 December 2023.

How much traffic does Smith Street over Bear Creek carry?

About 1,210 vehicles per day (2022 count).

How long is Smith Street over Bear Creek?

The structure is 181 ft (55.2 m) long with a longest span of 51 ft (15.5 m) and a deck 30 ft wide.

Who owns Smith Street over Bear Creek?

It is owned by the City or Municipal Highway Agency and maintained by the County Highway Agency.