US Bridges

EB Ia 100 over Indian Creek

Good

Linn County, Iowa · 3.2 Mi. W Jct. Ia 13 &151 · Structure no. 000000000606320

Built
1995
30 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
506 ft
3 main spans
Daily traffic
11,050
2022 count
Owner
State
State Highway Agency

About this bridge

EB Ia 100 over Indian Creek is a steel continuous stringer/multi-beam or girder carrying EB Ia 100 over Indian Creek in Linn 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 11,050 vehicles a day, roughly 4% of them trucks, projected to reach 11,050 by 2044. The structure is 506 ft (154.2 m) long and 46 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesEB Ia 100
CrossesIndian Creek
Location3.2 Mi. W Jct. Ia 13 &151
RouteState Highway 100
CountyLinn County
StateIowa
Coordinates42.01738, -91.61239
Functional classUrban Other Principal Arterial

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66 US tons
Inventory rating39.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length506 ft (154.2 m)
Longest span192 ft (58.5 m)
Deck width46 ft (13.9 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,050 (2022)
Projected traffic11,050 by 2044
Trucks4%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 EB Ia 100 over Indian Creek built?

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

What condition is EB Ia 100 over Indian 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 July 2024.

How much traffic does EB Ia 100 over Indian Creek carry?

About 11,050 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is EB Ia 100 over Indian Creek?

The structure is 506 ft (154.2 m) long with a longest span of 192 ft (58.5 m) and a deck 46 ft wide.

Who owns EB Ia 100 over Indian Creek?

It is owned by the State Highway Agency.