US Bridges

E Silver City Rdg over Bitter Creek

FairPosted for load

Grady County, Oklahoma · 1.2W; 2.0N JCT SH-4/SH-37 · Structure no. 236280000000000

Built
1993
32 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
80 ft
1 main span
Daily traffic
75
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

E Silver City Rdg over Bitter Creek is a steel stringer/multi-beam or girder carrying E Silver City Rdg over Bitter Creek in Grady County, Oklahoma. It was built in 1993, so it is 32 years old, younger than the Oklahoma average of 47.8 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. Its operating status is: posted for load restriction.

It carries about 75 vehicles a day, roughly 10% of them trucks, projected to reach 120 by 2042. The structure is 80 ft (24.4 m) long and 26 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesE Silver City Rdg
CrossesBitter Creek
Location1.2W; 2.0N JCT SH-4/SH-37
RouteCounty Highway E1170
Coordinates35.31992, -97.74607
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
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 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating25.9 US tons
Inventory rating15.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length80 ft (24.4 m)
Longest span78 ft (23.8 m)
Deck width26 ft (7.9 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2022)
Projected traffic120 by 2042
Trucks10%
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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$451,000
NavigationNo navigation control on waterway

Frequently asked questions

When was E Silver City Rdg over Bitter Creek built?

It was built in 1993, making it 32 years old in 2025.

What condition is E Silver City Rdg over Bitter 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 September 2024.

How much traffic does E Silver City Rdg over Bitter Creek carry?

About 75 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is E Silver City Rdg over Bitter Creek?

The structure is 80 ft (24.4 m) long with a longest span of 78 ft (23.8 m) and a deck 26 ft wide.

Who owns E Silver City Rdg over Bitter Creek?

It is owned by the City or Municipal Highway Agency.