US Bridges

Grims Mill Road over Ironstone Creek

Fair

Berks County, Pennsylvania · N. of Gablesville · Structure no. 000000000045513

Built
1983
42 years old
Condition
Fair
inspected August 2023
Type
Channel Beam
Concrete
Length
22 ft
1 main span
Daily traffic
100
2018 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Grims Mill Road over Ironstone Creek is a concrete channel beam carrying Grims Mill Road over Ironstone Creek in Berks County, Pennsylvania. It was built in 1983, so it is 42 years old, younger 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 5 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 100 vehicles a day, roughly 1% of them trucks, projected to reach 500 by 2030. The structure is 22 ft (6.7 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesGrims Mill Road
CrossesIronstone Creek
LocationN. of Gablesville
RouteCity Street 0
CountyBerks County
StatePennsylvania
Coordinates40.35447, -75.66406
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating97 US tons
Inventory rating58 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length22 ft (6.7 m)
Longest span21 ft (6.4 m)
Deck width28 ft (8.4 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2018)
Projected traffic500 by 2030
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

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 Grims Mill Road over Ironstone Creek built?

It was built in 1983, making it 42 years old in 2025.

What condition is Grims Mill Road over Ironstone Creek 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 August 2023.

How much traffic does Grims Mill Road over Ironstone Creek carry?

About 100 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is Grims Mill Road over Ironstone Creek?

The structure is 22 ft (6.7 m) long with a longest span of 21 ft (6.4 m) and a deck 28 ft wide.

Who owns Grims Mill Road over Ironstone Creek?

It is owned by the Town or Township Highway Agency.