US Bridges

Dentler Road over Unt Delaware Run

Fair

Northumberland County, Pennsylvania · 3 MI NE of Watsontown · Structure no. 000000000029326

Built
1950
75 years old, rebuilt 2014
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
23 ft
1 main span
Daily traffic
200
2018 count
Owner
County
County Highway Agency

About this bridge

Dentler Road over Unt Delaware Run is a steel stringer/multi-beam or girder carrying Dentler Road over Unt Delaware Run in Northumberland County, Pennsylvania. It was built in 1950 and reconstructed in 2014, so it is 75 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 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 200 vehicles a day, roughly 2% of them trucks, projected to reach 310 by 2040. The structure is 23 ft (7 m) long and 17 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesDentler Road
CrossesUnt Delaware Run
Location3 MI NE of Watsontown
RouteCity Street 0
CountyNorthumberland County
StatePennsylvania
Coordinates41.12721, -76.83582
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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating87 US tons
Inventory rating52 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadHS 20
Structure length23 ft (7 m)
Longest span22 ft (6.7 m)
Deck width17 ft (5.3 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2018)
Projected traffic310 by 2040
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Dentler Road over Unt Delaware Run built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 2014.

What condition is Dentler Road over Unt Delaware 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 June 2024.

How much traffic does Dentler Road over Unt Delaware Run carry?

About 200 vehicles per day (2018 count), of which roughly 2% are trucks.

How long is Dentler Road over Unt Delaware Run?

The structure is 23 ft (7 m) long with a longest span of 22 ft (6.7 m) and a deck 17 ft wide.

Who owns Dentler Road over Unt Delaware Run?

It is owned by the County Highway Agency.