US Bridges

E16 Sawyer RD over Trib to Buffalo Creek

Good

Linn County, Iowa · 085050407 · Structure no. 000000000221901

Built
2024
1 years old
Condition
Good
inspected September 2024
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
1,121
2023 count
Owner
County
County Highway Agency

About this bridge

E16 Sawyer RD over Trib to Buffalo Creek is a concrete culvert carrying E16 Sawyer RD over Trib to Buffalo Creek in Linn County, Iowa. It was built in 2024, so it is 1 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,121 vehicles a day, roughly 12% of them trucks, projected to reach 1,121 by 2044. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesE16 Sawyer RD
CrossesTrib to Buffalo Creek
Location085050407
RouteCounty Highway 0
CountyLinn County
StateIowa
Coordinates42.20575, -91.43016
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection9 ExcellentNo problems noted.
Culvert9 ExcellentNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.3 US tons
Inventory rating38.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHL 93
Structure length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,121 (2023)
Projected traffic1,121 by 2044
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was E16 Sawyer RD over Trib to Buffalo Creek built?

It was built in 2024, making it 1 years old in 2025.

What condition is E16 Sawyer RD over Trib to Buffalo 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 September 2024.

How much traffic does E16 Sawyer RD over Trib to Buffalo Creek carry?

About 1,121 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is E16 Sawyer RD over Trib to Buffalo Creek?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m).

Who owns E16 Sawyer RD over Trib to Buffalo Creek?

It is owned by the County Highway Agency.