US Bridges

RM 152 over Flag Creek

Fair

Llano County, Texas · 0.50 MI W of SH 16 · Structure no. 141500039609023

Built
1955
70 years old
Condition
Fair
inspected May 2023
Type
Slab
Concrete
Length
153 ft
6 main spans
Daily traffic
4,071
2020 count
Owner
State
State Highway Agency

About this bridge

RM 152 over Flag Creek is a concrete slab carrying RM 152 over Flag Creek in Llano County, Texas. It was built in 1955, so it is 70 years old, older than the Texas average of 44.4 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 4,071 vehicles a day, roughly 4% of them trucks, projected to reach 6,270 by 2033. The structure is 153 ft (46.6 m) long and 33 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesRM 152
CrossesFlag Creek
Location0.50 MI W of SH 16
RouteState Highway 152
CountyLlano County
StateTexas
Coordinates30.75034, -98.68288
Functional classRural Minor Collector

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 protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57 US tons
Inventory rating34 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans6
Design loadH 20
Structure length153 ft (46.6 m)
Longest span25 ft (7.6 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,071 (2020)
Projected traffic6,270 by 2033
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was RM 152 over Flag Creek built?

It was built in 1955, making it 70 years old in 2025.

What condition is RM 152 over Flag 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 May 2023.

How much traffic does RM 152 over Flag Creek carry?

About 4,071 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is RM 152 over Flag Creek?

The structure is 153 ft (46.6 m) long with a longest span of 25 ft (7.6 m) and a deck 33 ft wide.

Who owns RM 152 over Flag Creek?

It is owned by the State Highway Agency.