US Bridges

E1770 over Horse Creek

Good

Tillman County, Oklahoma · 4S 9.5E of Manitou · Structure no. 276940000000000

Built
2005
20 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
77 ft
1 main span
Daily traffic
30
2022 count
Owner
County
County Highway Agency

About this bridge

E1770 over Horse Creek is a prestressed concrete stringer/multi-beam or girder carrying E1770 over Horse Creek in Tillman County, Oklahoma. It was built in 2005, so it is 20 years old, younger than the Oklahoma average of 47.8 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 30 vehicles a day, roughly 15% of them trucks, projected to reach 48 by 2042. The structure is 77 ft (23.5 m) long and 29 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesE1770
CrossesHorse Creek
Location4S 9.5E of Manitou
RouteCounty Highway 0
Coordinates34.44946, -98.81118
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
Deck9 ExcellentNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating81 US tons
Inventory rating39 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length77 ft (23.5 m)
Longest span73 ft (22.3 m)
Deck width29 ft (8.7 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2022)
Projected traffic48 by 2042
Trucks15%
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

OwnerCounty 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$449,000
NavigationNo navigation control on waterway

Frequently asked questions

When was E1770 over Horse Creek built?

It was built in 2005, making it 20 years old in 2025.

What condition is E1770 over Horse 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 July 2023.

How much traffic does E1770 over Horse Creek carry?

About 30 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is E1770 over Horse Creek?

The structure is 77 ft (23.5 m) long with a longest span of 73 ft (22.3 m) and a deck 29 ft wide.

Who owns E1770 over Horse Creek?

It is owned by the County Highway Agency.