US Bridges

Pa 423 (lr 45037) over Upper Tunkhannock Creek

Good

Monroe County, Pennsylvania · 0.4 Mi.North of PA940 · Structure no. 000000000026840

Built
1911
114 years old, rebuilt 2022
Condition
Good
inspected March 2023
Type
Arch - Deck
Masonry
Length
34 ft
1 main span
Daily traffic
842
2024 count
Owner
State
State Highway Agency

About this bridge

Pa 423 (lr 45037) over Upper Tunkhannock Creek is a masonry arch - deck carrying Pa 423 (lr 45037) over Upper Tunkhannock Creek in Monroe County, Pennsylvania. It was built in 1911 and reconstructed in 2022, so it is 114 years old, older 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 842 vehicles a day, roughly 6% of them trucks, projected to reach 1,379 by 2032. The structure is 34 ft (10.4 m) long and 20 ft wide. If it were closed, the detour would be 18 mi (29 km).

CarriesPa 423 (lr 45037)
CrossesUpper Tunkhannock Creek
Location0.4 Mi.North of PA940
RouteState Highway 423
Coordinates41.10884, -75.47461
Functional classRural Major Collector

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating54 US tons
Inventory rating36 US tons

Structure

Structure typeArch - Deck
MaterialMasonry
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span34 ft (10.4 m)
Deck width20 ft (6.2 m)
Roadway width17 ft (5.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic842 (2024)
Projected traffic1,379 by 2032
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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$399,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pa 423 (lr 45037) over Upper Tunkhannock Creek built?

It was built in 1911, making it 114 years old in 2025. It was reconstructed in 2022.

What condition is Pa 423 (lr 45037) over Upper Tunkhannock 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 March 2023.

How much traffic does Pa 423 (lr 45037) over Upper Tunkhannock Creek carry?

About 842 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is Pa 423 (lr 45037) over Upper Tunkhannock Creek?

The structure is 34 ft (10.4 m) long with a longest span of 34 ft (10.4 m) and a deck 20 ft wide.

Who owns Pa 423 (lr 45037) over Upper Tunkhannock Creek?

It is owned by the State Highway Agency.