US Bridges

T-522 Dotterer RD over Over Mill Creek

Good

Venango County, Pennsylvania · Rockland Township · Structure no. 000000000068432

Built
2021
4 years old
Condition
Good
inspected September 2023
Type
Box Beam or Girders - Multiple
Concrete
Length
62 ft
1 main span
Daily traffic
100
2021 count
Owner
County
County Highway Agency

About this bridge

T-522 Dotterer RD over Over Mill Creek is a concrete box beam or girders - multiple carrying T-522 Dotterer RD over Over Mill Creek in Venango County, Pennsylvania. It was built in 2021, so it is 4 years old, younger than the Pennsylvania average of 54.8 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 100 vehicles a day, projected to reach 150 by 2040. The structure is 62 ft (18.9 m) long and 18 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesT-522 Dotterer RD
CrossesOver Mill Creek
LocationRockland Township
RouteCity Street 0
Coordinates41.22487, -79.72197
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating56.4 US tons
Inventory rating43.5 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length62 ft (18.9 m)
Longest span60 ft (18.3 m)
Deck width18 ft (5.6 m)
Roadway width16 ft (4.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2021)
Projected traffic150 by 2040
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 T-522 Dotterer RD over Over Mill Creek built?

It was built in 2021, making it 4 years old in 2025.

What condition is T-522 Dotterer RD over Over Mill 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 2023.

How much traffic does T-522 Dotterer RD over Over Mill Creek carry?

About 100 vehicles per day (2021 count).

How long is T-522 Dotterer RD over Over Mill Creek?

The structure is 62 ft (18.9 m) long with a longest span of 60 ft (18.3 m) and a deck 18 ft wide.

Who owns T-522 Dotterer RD over Over Mill Creek?

It is owned by the County Highway Agency.