US Bridges

T-414 Maple Hollow over Gillans Run

Fair

Blair County, Pennsylvania · Maple Hollow · Structure no. 000000000005892

Built
1965
60 years old, rebuilt 2014
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
39 ft
1 main span
Daily traffic
1,879
2024 count
Owner
County
County Highway Agency

About this bridge

T-414 Maple Hollow over Gillans Run is a steel stringer/multi-beam or girder carrying T-414 Maple Hollow over Gillans Run in Blair County, Pennsylvania. It was built in 1965 and reconstructed in 2014, so it is 60 years old, older than the Pennsylvania average of 54.8 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 1,879 vehicles a day, roughly 1% of them trucks, projected to reach 2,076 by 2044. The structure is 39 ft (11.9 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesT-414 Maple Hollow
CrossesGillans Run
LocationMaple Hollow
RouteCity Street 0
CountyBlair County
StatePennsylvania
Coordinates40.43163, -78.45758
Functional classRural 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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.5 US tons
Inventory rating45 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length39 ft (11.9 m)
Longest span35 ft (10.7 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,879 (2024)
Projected traffic2,076 by 2044
Trucks1%
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

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$700,000
NavigationNo navigation control on waterway

Frequently asked questions

When was T-414 Maple Hollow over Gillans Run built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 2014.

What condition is T-414 Maple Hollow over Gillans Run 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 September 2024.

How much traffic does T-414 Maple Hollow over Gillans Run carry?

About 1,879 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is T-414 Maple Hollow over Gillans Run?

The structure is 39 ft (11.9 m) long with a longest span of 35 ft (10.7 m) and a deck 30 ft wide.

Who owns T-414 Maple Hollow over Gillans Run?

It is owned by the County Highway Agency.