US Bridges

US 65 over Minerva Creek

Good

Story County, Iowa · 0.4 Miles South of SR E18 · Structure no. 000000000048921

Built
2001
24 years old
Condition
Good
inspected March 2024
Type
Slab
Concrete Continuous
Length
103 ft
3 main spans
Daily traffic
1,930
2022 count
Owner
State
State Highway Agency

About this bridge

US 65 over Minerva Creek is a concrete continuous slab carrying US 65 over Minerva Creek in Story County, Iowa. It was built in 2001, so it is 24 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 1,930 vehicles a day, roughly 22% of them trucks, projected to reach 1,930 by 2044. The structure is 103 ft (31.4 m) long and 44 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesUS 65
CrossesMinerva Creek
Location0.4 Miles South of SR E18
RouteU.S. Route 65
StateIowa
Coordinates42.16018, -93.30938
Functional classRural Minor 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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 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 rating86.8 US tons
Inventory rating52 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length103 ft (31.4 m)
Longest span39 ft (11.9 m)
Deck width44 ft (13.3 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,930 (2022)
Projected traffic1,930 by 2044
Trucks22%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

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 US 65 over Minerva Creek built?

It was built in 2001, making it 24 years old in 2025.

What condition is US 65 over Minerva 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 March 2024.

How much traffic does US 65 over Minerva Creek carry?

About 1,930 vehicles per day (2022 count), of which roughly 22% are trucks.

How long is US 65 over Minerva Creek?

The structure is 103 ft (31.4 m) long with a longest span of 39 ft (11.9 m) and a deck 44 ft wide.

Who owns US 65 over Minerva Creek?

It is owned by the State Highway Agency.