US Bridges

Brock School RD over Darnit Brook

Good

Oxford County, Maine · 0.4 MI SW Darnit RD · Structure no. 0698

Built
2011
14 years old
Condition
Good
inspected May 2024
Type
Culvert
Aluminum, Wrought Iron, or Cast Iron
Length
21 ft
1 main span
Daily traffic
155
2016 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Brock School RD over Darnit Brook is a aluminum, wrought iron, or cast iron culvert carrying Brock School RD over Darnit Brook in Oxford County, Maine. It was built in 2011, so it is 14 years old, younger than the Maine average of 53.7 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 155 vehicles a day, roughly 5% of them trucks, projected to reach 248 by 2036. The structure is 21 ft (6.5 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesBrock School RD
CrossesDarnit Brook
Location0.4 MI SW Darnit RD
RouteCity Street 0
StateMaine
Coordinates44.30787, -70.42518
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.
Culvert7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating40.3 US tons
Inventory rating31.1 US tons

Structure

Structure typeCulvert
MaterialAluminum, Wrought Iron, or Cast Iron
DeckNot applicable
Main spans1
Design loadH 20
Structure length21 ft (6.5 m)
Longest span21 ft (6.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic155 (2016)
Projected traffic248 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 Brock School RD over Darnit Brook built?

It was built in 2011, making it 14 years old in 2025.

What condition is Brock School RD over Darnit Brook 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 2024.

How much traffic does Brock School RD over Darnit Brook carry?

About 155 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Brock School RD over Darnit Brook?

The structure is 21 ft (6.5 m) long with a longest span of 21 ft (6.5 m).

Who owns Brock School RD over Darnit Brook?

It is owned by the Town or Township Highway Agency.