US Bridges

Loc 100th ST over Stream

Good

Buchanan County, Iowa · 090070501 · Structure no. 000000000083280

Built
1995
30 years old
Condition
Good
inspected December 2023
Type
Culvert
Steel
Length
28 ft
3 main spans
Daily traffic
44
2022 count
Owner
County
County Highway Agency

About this bridge

Loc 100th ST over Stream is a steel culvert carrying Loc 100th ST over Stream in Buchanan County, Iowa. It was built in 1995, so it is 30 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 44 vehicles a day, projected to reach 44 by 2043. The structure is 28 ft (8.5 m) long.

CarriesLoc 100th ST
CrossesStream
Location090070501
RouteCounty Highway 0
StateIowa
Coordinates42.64339, -91.68662
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span7 ft (2.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic44 (2022)
Projected traffic44 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 Loc 100th ST over Stream built?

It was built in 1995, making it 30 years old in 2025.

What condition is Loc 100th ST over 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 December 2023.

How much traffic does Loc 100th ST over Stream carry?

About 44 vehicles per day (2022 count).

How long is Loc 100th ST over Stream?

The structure is 28 ft (8.5 m) long with a longest span of 7 ft (2.1 m).

Who owns Loc 100th ST over Stream?

It is owned by the County Highway Agency.