US Bridges

RM 2657 over Lampasas River

Good

Burnet County, Texas · 1.65 MI N of RM 963 · Structure no. 140270313104001

Built
1970
55 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
600 ft
8 main spans
Daily traffic
3,148
2023 count
Owner
State
State Highway Agency

About this bridge

RM 2657 over Lampasas River is a prestressed concrete stringer/multi-beam or girder carrying RM 2657 over Lampasas River in Burnet County, Texas. It was built in 1970, so it is 55 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 3,148 vehicles a day, roughly 10% of them trucks, projected to reach 2,570 by 2033. The structure is 600 ft (182.9 m) long and 28 ft wide.

CarriesRM 2657
CrossesLampasas River
Location1.65 MI N of RM 963
RouteState Highway 2657
StateTexas
Coordinates31.0035, -97.91293
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.9 US tons
Inventory rating24 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans8
Design loadH 15
Structure length600 ft (182.9 m)
Longest span75 ft (22.9 m)
Deck width28 ft (8.6 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,148 (2023)
Projected traffic2,570 by 2033
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was RM 2657 over Lampasas River built?

It was built in 1970, making it 55 years old in 2025.

What condition is RM 2657 over Lampasas River 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 2023.

How much traffic does RM 2657 over Lampasas River carry?

About 3,148 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is RM 2657 over Lampasas River?

The structure is 600 ft (182.9 m) long with a longest span of 75 ft (22.9 m) and a deck 28 ft wide.

Who owns RM 2657 over Lampasas River?

It is owned by the State Highway Agency.