US Bridges

Otto Road over Pleasant Run

Fair

Somerset County, New Jersey · 334 S of Pleasant Run RD · Structure no. 18B0602

Built
1924
101 years old, rebuilt 1982
Condition
Fair
inspected September 2023
Type
Slab
Wood or Timber
Length
41 ft
1 main span
Daily traffic
572
2023 count
Owner
County
County Highway Agency

About this bridge

Otto Road over Pleasant Run is a wood or timber slab carrying Otto Road over Pleasant Run in Somerset County, New Jersey. It was built in 1924 and reconstructed in 1982, so it is 101 years old, older than the New Jersey average of 58.5 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 572 vehicles a day, roughly 1% of them trucks, projected to reach 686 by 2043. The structure is 41 ft (12.5 m) long and 22 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesOtto Road
CrossesPleasant Run
Location334 S of Pleasant Run RD
RouteCity Street 0
CountySomerset County
StateNew Jersey
Coordinates40.53029, -74.74515
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating74 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 20 + Mod
Structure length41 ft (12.5 m)
Longest span38 ft (11.6 m)
Deck width22 ft (6.8 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic572 (2023)
Projected traffic686 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$446,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Otto Road over Pleasant Run built?

It was built in 1924, making it 101 years old in 2025. It was reconstructed in 1982.

What condition is Otto Road over Pleasant 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 2023.

How much traffic does Otto Road over Pleasant Run carry?

About 572 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Otto Road over Pleasant Run?

The structure is 41 ft (12.5 m) long with a longest span of 38 ft (11.6 m) and a deck 22 ft wide.

Who owns Otto Road over Pleasant Run?

It is owned by the County Highway Agency.