US Bridges

Linn Benton RD over Br of Blue Creek

Good

Linn County, Iowa · 086081802 · Structure no. 000000000223351

Built
2018
7 years old
Condition
Good
inspected September 2024
Type
Other
Steel
Length
70 ft
1 main span
Daily traffic
25
2022 count
Owner
County
County Highway Agency

About this bridge

Linn Benton RD over Br of Blue Creek is a steel other carrying Linn Benton RD over Br of Blue Creek in Linn County, Iowa. It was built in 2018, so it is 7 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 25 vehicles a day, projected to reach 25 by 2044. The structure is 70 ft (21.3 m) long and 27 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesLinn Benton RD
CrossesBr of Blue Creek
Location086081802
RouteCounty Highway 0
StateIowa
Coordinates42.26822, -91.83165
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating90.4 US tons
Inventory rating69.7 US tons

Structure

Structure typeOther
MaterialSteel
DeckSteel plate
Main spans1
Design loadHL 93
Structure length70 ft (21.3 m)
Longest span68 ft (20.7 m)
Deck width27 ft (8.1 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2022)
Projected traffic25 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 Linn Benton RD over Br of Blue Creek built?

It was built in 2018, making it 7 years old in 2025.

What condition is Linn Benton RD over Br of Blue 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 September 2024.

How much traffic does Linn Benton RD over Br of Blue Creek carry?

About 25 vehicles per day (2022 count).

How long is Linn Benton RD over Br of Blue Creek?

The structure is 70 ft (21.3 m) long with a longest span of 68 ft (20.7 m) and a deck 27 ft wide.

Who owns Linn Benton RD over Br of Blue Creek?

It is owned by the County Highway Agency.