US Bridges

Broadway Ave over Highwood Creek

Good

Chouteau County, Montana · Highwood · Structure no. S00228022+03001

Built
1999
26 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
115 ft
2 main spans
Daily traffic
372
2023 count
Owner
State
State Highway Agency

About this bridge

Broadway Ave over Highwood Creek is a steel stringer/multi-beam or girder carrying Broadway Ave over Highwood Creek in Chouteau County, Montana. It was built in 1999, so it is 26 years old, younger than the Montana average of 47 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 372 vehicles a day, roughly 3% of them trucks, projected to reach 391 by 2043. The structure is 115 ft (34.9 m) long and 30 ft wide. If it were closed, the detour would be 92 mi (148 km).

Location

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CarriesBroadway Ave
CrossesHighwood Creek
LocationHighwood
RouteState Highway 228
CountyChouteau County
StateMontana
Coordinates47.58225, -110.80617
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.5 US tons
Inventory rating51 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length115 ft (34.9 m)
Longest span56 ft (17.2 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic372 (2023)
Projected traffic391 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed92 mi (148 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 Broadway Ave over Highwood Creek built?

It was built in 1999, making it 26 years old in 2025.

What condition is Broadway Ave over Highwood 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 Broadway Ave over Highwood Creek carry?

About 372 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Broadway Ave over Highwood Creek?

The structure is 115 ft (34.9 m) long with a longest span of 56 ft (17.2 m) and a deck 30 ft wide.

Who owns Broadway Ave over Highwood Creek?

It is owned by the State Highway Agency.