US Bridges

N1745 over Creek

Fair

Beckham County, Oklahoma · Walnut & 7 Th; St. · Structure no. 095780000000000

Built
1941
84 years old
Condition
Fair
inspected April 2024
Type
Slab
Concrete Continuous
Length
31 ft
2 main spans
Daily traffic
100
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

N1745 over Creek is a concrete continuous slab carrying N1745 over Creek in Beckham County, Oklahoma. It was built in 1941, so it is 84 years old, older 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.

It carries about 100 vehicles a day, roughly 10% of them trucks, projected to reach 160 by 2042. The structure is 31 ft (9.4 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesN1745
CrossesCreek
LocationWalnut & 7 Th; St.
RouteCity Street N1745
Coordinates35.20912, -99.86786
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating21.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length31 ft (9.4 m)
Longest span12 ft (3.7 m)
Deck width28 ft (8.6 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2022)
Projected traffic160 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCounty 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$271,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N1745 over Creek built?

It was built in 1941, making it 84 years old in 2025.

What condition is N1745 over 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 April 2024.

How much traffic does N1745 over Creek carry?

About 100 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is N1745 over Creek?

The structure is 31 ft (9.4 m) long with a longest span of 12 ft (3.7 m) and a deck 28 ft wide.

Who owns N1745 over Creek?

It is owned by the City or Municipal Highway Agency and maintained by the County Highway Agency.