US Bridges

10th ST over Indian Creek

Fair

Linn County, Iowa · 084063100 · Structure no. 000000000007721

Built
1999
26 years old
Condition
Fair
inspected April 2022
Type
Slab
Concrete Continuous
Length
150 ft
3 main spans
Daily traffic
8,092
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

10th ST over Indian Creek is a concrete continuous slab carrying 10th ST over Indian Creek in Linn County, Iowa. It was built in 1999, so it is 26 years old, younger than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 8,092 vehicles a day, projected to reach 8,092 by 2043. The structure is 150 ft (45.7 m) long and 61 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Carries10th ST
CrossesIndian Creek
Location084063100
RouteCity Street 0
StateIowa
Coordinates42.04433, -91.59935
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.6 US tons
Inventory rating36.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length150 ft (45.7 m)
Longest span59 ft (18 m)
Deck width61 ft (18.6 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,092 (2022)
Projected traffic8,092 by 2043
Trucks0%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$17,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was 10th ST over Indian Creek built?

It was built in 1999, making it 26 years old in 2025.

What condition is 10th ST over Indian Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2022.

How much traffic does 10th ST over Indian Creek carry?

About 8,092 vehicles per day (2022 count).

How long is 10th ST over Indian Creek?

The structure is 150 ft (45.7 m) long with a longest span of 59 ft (18 m) and a deck 61 ft wide.

Who owns 10th ST over Indian Creek?

It is owned by the City or Municipal Highway Agency.