US Bridges

FM 677 over Cobb Hollow

Good

Montague County, Texas · 1.3 MI S of FM 1956 · Structure no. 031690042302017

Built
2024
1 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
265 ft
1 main span
Daily traffic
462
2022 count
Owner
State
State Highway Agency

About this bridge

FM 677 over Cobb Hollow is a prestressed concrete stringer/multi-beam or girder carrying FM 677 over Cobb Hollow in Montague County, Texas. It was built in 2024, so it is 1 years old, younger than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 462 vehicles a day, roughly 20% of them trucks, projected to reach 591 by 2042. The structure is 265 ft (80.8 m) long and 30 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesFM 677
CrossesCobb Hollow
Location1.3 MI S of FM 1956
RouteState Highway 677
CountyMontague County
StateTexas
Coordinates33.78396, -97.50982
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1 (+2 approach)
Design loadHL 93
Structure length265 ft (80.8 m)
Longest span120 ft (36.6 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic462 (2022)
Projected traffic591 by 2042
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 FM 677 over Cobb Hollow built?

It was built in 2024, making it 1 years old in 2025.

What condition is FM 677 over Cobb Hollow 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 June 2024.

How much traffic does FM 677 over Cobb Hollow carry?

About 462 vehicles per day (2022 count), of which roughly 20% are trucks.

How long is FM 677 over Cobb Hollow?

The structure is 265 ft (80.8 m) long with a longest span of 120 ft (36.6 m) and a deck 30 ft wide.

Who owns FM 677 over Cobb Hollow?

It is owned by the State Highway Agency.