US Bridges

Austin ST over Mill Brook

Fair

Cumberland County, Maine · 150 Ft Sly of Pride ST · Structure no. 5749

Built
1960
65 years old, rebuilt 2004
Condition
Fair
inspected April 2024
Type
Culvert
Other
Length
26 ft
2 main spans
Daily traffic
2,851
2016 count
Owner
State
State Highway Agency

About this bridge

Austin ST over Mill Brook is a other culvert carrying Austin ST over Mill Brook in Cumberland County, Maine. It was built in 1960 and reconstructed in 2004, so it is 65 years old, older than the Maine average of 53.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 2,851 vehicles a day, roughly 5% of them trucks, projected to reach 3,991 by 2036. The structure is 26 ft (7.9 m) long.

CarriesAustin ST
CrossesMill Brook
Location150 Ft Sly of Pride ST
RouteCity Street 0
StateMaine
Coordinates43.70191, -70.34071
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialOther
DeckNot applicable
Main spans2
Design loadH 20
Structure length26 ft (7.9 m)
Longest span10 ft (3.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,851 (2016)
Projected traffic3,991 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 Austin ST over Mill Brook built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 2004.

What condition is Austin ST over Mill Brook in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2024.

How much traffic does Austin ST over Mill Brook carry?

About 2,851 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Austin ST over Mill Brook?

The structure is 26 ft (7.9 m) long with a longest span of 10 ft (3.2 m).

Who owns Austin ST over Mill Brook?

It is owned by the State Highway Agency.