US Bridges

G15 110th ST over Elk Creek

Good

Mahaska County, Iowa · 077170705 · Structure no. 000000000238411

Built
2021
4 years old
Condition
Good
inspected December 2023
Type
Slab
Concrete Continuous
Length
151 ft
3 main spans
Daily traffic
45
2022 count
Owner
County
County Highway Agency

About this bridge

G15 110th ST over Elk Creek is a concrete continuous slab carrying G15 110th ST over Elk Creek in Mahaska County, Iowa. It was built in 2021, so it is 4 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 45 vehicles a day, projected to reach 45 by 2043. The structure is 151 ft (46 m) long and 33 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesG15 110th ST
CrossesElk Creek
Location077170705
RouteCounty Highway 0
StateIowa
Coordinates41.49064, -92.85399
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length151 ft (46 m)
Longest span59 ft (18 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic45 (2022)
Projected traffic45 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was G15 110th ST over Elk Creek built?

It was built in 2021, making it 4 years old in 2025.

What condition is G15 110th ST over Elk 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 G15 110th ST over Elk Creek carry?

About 45 vehicles per day (2022 count).

How long is G15 110th ST over Elk Creek?

The structure is 151 ft (46 m) long with a longest span of 59 ft (18 m) and a deck 33 ft wide.

Who owns G15 110th ST over Elk Creek?

It is owned by the County Highway Agency.