US Bridges

CR 690 (olivet Rd) over Muddy Run

Fair

Salem County, New Jersey · 3.7 Miles East of Rt 77 · Structure no. 1701238

Built
1939
86 years old
Condition
Fair
inspected August 2023
Type
Tee Beam
Concrete
Length
31 ft
1 main span
Daily traffic
607
2023 count
Owner
County
County Highway Agency

About this bridge

CR 690 (olivet Rd) over Muddy Run is a concrete tee beam carrying CR 690 (olivet Rd) over Muddy Run in Salem County, New Jersey. It was built in 1939, so it is 86 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 607 vehicles a day, roughly 3% of them trucks, projected to reach 741 by 2043. The structure is 31 ft (9.4 m) long and 34 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCR 690 (olivet Rd)
CrossesMuddy Run
Location3.7 Miles East of Rt 77
RouteCounty Highway 690
Coordinates39.5417, -75.16852
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67 US tons
Inventory rating40 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length31 ft (9.4 m)
Longest span26 ft (7.9 m)
Deck width34 ft (10.4 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic607 (2023)
Projected traffic741 by 2043
Trucks3%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 690 (olivet Rd) over Muddy Run built?

It was built in 1939, making it 86 years old in 2025.

What condition is CR 690 (olivet Rd) over Muddy 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 August 2023.

How much traffic does CR 690 (olivet Rd) over Muddy Run carry?

About 607 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is CR 690 (olivet Rd) over Muddy Run?

The structure is 31 ft (9.4 m) long with a longest span of 26 ft (7.9 m) and a deck 34 ft wide.

Who owns CR 690 (olivet Rd) over Muddy Run?

It is owned by the County Highway Agency.