US Bridges

T53 F Ave over Branch Black Hawk Creek

Good

Tama County, Iowa · 086160102 · Structure no. 000000000320681

Built
2019
6 years old
Condition
Good
inspected September 2022
Type
Culvert
Steel
Length
29 ft
1 main span
Daily traffic
49
2022 count
Owner
County
County Highway Agency

About this bridge

T53 F Ave over Branch Black Hawk Creek is a steel culvert carrying T53 F Ave over Branch Black Hawk Creek in Tama County, Iowa. It was built in 2019, so it is 6 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 49 vehicles a day, projected to reach 49 by 2043. The structure is 29 ft (8.8 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesT53 F Ave
CrossesBranch Black Hawk Creek
Location086160102
RouteCounty Highway 0
CountyTama County
StateIowa
Coordinates42.28747, -92.67055
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert8 Very GoodNo problems noted.
Last inspectionSeptember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating48.6 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadUnknown
Structure length29 ft (8.8 m)
Longest span11 ft (3.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic49 (2022)
Projected traffic49 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 T53 F Ave over Branch Black Hawk Creek built?

It was built in 2019, making it 6 years old in 2025.

What condition is T53 F Ave over Branch Black Hawk 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 2022.

How much traffic does T53 F Ave over Branch Black Hawk Creek carry?

About 49 vehicles per day (2022 count).

How long is T53 F Ave over Branch Black Hawk Creek?

The structure is 29 ft (8.8 m) long with a longest span of 11 ft (3.4 m).

Who owns T53 F Ave over Branch Black Hawk Creek?

It is owned by the County Highway Agency.