US Bridges

Spur 511 over US 81/US 287

Good

Montague County, Texas · At JCT Spur 511 on US 81 · Structure no. 031690001305051

Built
1972
53 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
270 ft
2 main spans
Daily traffic
1,010
2013 count
Owner
State
State Highway Agency

About this bridge

Spur 511 over US 81/US 287 is a prestressed concrete stringer/multi-beam or girder carrying Spur 511 over US 81/US 287 in Montague County, Texas. It was built in 1972, so it is 53 years old, older 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 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 1,010 vehicles a day, roughly 21% of them trucks, projected to reach 1,420 by 2033. The structure is 270 ft (82.3 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSpur 511
CrossesUS 81/US 287
LocationAt JCT Spur 511 on US 81
RouteState Highway 511
StateTexas
Coordinates33.43772, -97.76265
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating62.9 US tons
Inventory rating31 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadH 20
Structure length270 ft (82.3 m)
Longest span95 ft (29 m)
Deck width42 ft (12.9 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,010 (2013)
Projected traffic1,420 by 2033
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Spur 511 over US 81/US 287 built?

It was built in 1972, making it 53 years old in 2025.

What condition is Spur 511 over US 81/US 287 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 March 2024.

How much traffic does Spur 511 over US 81/US 287 carry?

About 1,010 vehicles per day (2013 count), of which roughly 21% are trucks.

How long is Spur 511 over US 81/US 287?

The structure is 270 ft (82.3 m) long with a longest span of 95 ft (29 m) and a deck 42 ft wide.

Who owns Spur 511 over US 81/US 287?

It is owned by the State Highway Agency.