US Bridges

267th ST over Turtle Creek

Good

Delaware County, Iowa · On 267th 1.25 W of X21 · Structure no. 000000000140981

Built
2014
11 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
71 ft
1 main span
Daily traffic
226
2022 count
Owner
County
County Highway Agency

About this bridge

267th ST over Turtle Creek is a concrete stringer/multi-beam or girder carrying 267th ST over Turtle Creek in Delaware County, Iowa. It was built in 2014, so it is 11 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 226 vehicles a day, roughly 17% of them trucks, projected to reach 226 by 2043. The structure is 71 ft (21.5 m) long and 33 ft wide.

Carries267th ST
CrossesTurtle Creek
LocationOn 267th 1.25 W of X21
RouteCounty Highway 0
StateIowa
Coordinates42.40478, -91.37809
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating37.8 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length71 ft (21.5 m)
Longest span68 ft (20.6 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic226 (2022)
Projected traffic226 by 2043
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 267th ST over Turtle Creek built?

It was built in 2014, making it 11 years old in 2025.

What condition is 267th ST over Turtle 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 May 2023.

How much traffic does 267th ST over Turtle Creek carry?

About 226 vehicles per day (2022 count), of which roughly 17% are trucks.

How long is 267th ST over Turtle Creek?

The structure is 71 ft (21.5 m) long with a longest span of 68 ft (20.6 m) and a deck 33 ft wide.

Who owns 267th ST over Turtle Creek?

It is owned by the County Highway Agency.